20005484800

素因数分解:

$2^8\times 5^2\times 7^2\times {\mathrm{63793}}^1$

素因数の和:63833

約数の個数: 162

約数和(自身を含む): 57601962978

約数和(自身を除く): 37596478178

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 245, 256, 280, 320, 350, 392, 400, 448, 490, 560, 640, 700, 784, 800, 896, 980, 1120, 1225, 1280, 1400, 1568, 1600, 1792, 1960, 2240, 2450, 2800, 3136, 3200, 3920, 4480, 4900, 5600, 6272, 6400, 7840, 8960, 9800, 11200, 12544, 15680, 19600, 22400, 31360, 39200, 44800, 62720, 63793, 78400, 127586, 156800, 255172, 313600, 318965, 446551, 510344, 637930, 893102, 1020688, 1275860, 1594825, 1786204, 2041376, 2232755, 2551720, 3125857, 3189650, 3572408, 4082752, 4465510, 5103440, 6251714, 6379300, 7144816, 8165504, 8931020, 10206880, 11163775, 12503428, 12758600, 14289632, 15629285, 16331008, 17862040, 20413760, 22327550, 25006856, 25517200, 28579264, 31258570, 35724080, 40827520, 44655100, 50013712, 51034400, 57158528, 62517140, 71448160, 78146425, 81655040, 89310200, 100027424, 102068800, 114317056, 125034280, 142896320, 156292850, 178620400, 200054848, 204137600, 250068560, 285792640, 312585700, 357240800, 400109696, 408275200, 500137120, 571585280, 625171400, 714481600, 800219392, 1000274240, 1250342800, 1428963200, 2000548480, 2500685600, 2857926400, 4001096960, 5001371200, 10002742400, 20005484800]

約数ペア:

[(1, 20005484800), (2, 10002742400), (4, 5001371200), (5, 4001096960), (7, 2857926400), (8, 2500685600), (10, 2000548480), (14, 1428963200), (16, 1250342800), (20, 1000274240), (25, 800219392), (28, 714481600), (32, 625171400), (35, 571585280), (40, 500137120), (49, 408275200), (50, 400109696), (56, 357240800), (64, 312585700), (70, 285792640), (80, 250068560), (98, 204137600), (100, 200054848), (112, 178620400), (128, 156292850), (140, 142896320), (160, 125034280), (175, 114317056), (196, 102068800), (200, 100027424), (224, 89310200), (245, 81655040), (256, 78146425), (280, 71448160), (320, 62517140), (350, 57158528), (392, 51034400), (400, 50013712), (448, 44655100), (490, 40827520), (560, 35724080), (640, 31258570), (700, 28579264), (784, 25517200), (800, 25006856), (896, 22327550), (980, 20413760), (1120, 17862040), (1225, 16331008), (1280, 15629285), (1400, 14289632), (1568, 12758600), (1600, 12503428), (1792, 11163775), (1960, 10206880), (2240, 8931020), (2450, 8165504), (2800, 7144816), (3136, 6379300), (3200, 6251714), (3920, 5103440), (4480, 4465510), (4900, 4082752), (5600, 3572408), (6272, 3189650), (6400, 3125857), (7840, 2551720), (8960, 2232755), (9800, 2041376), (11200, 1786204), (12544, 1594825), (15680, 1275860), (19600, 1020688), (22400, 893102), (31360, 637930), (39200, 510344), (44800, 446551), (62720, 318965), (63793, 313600), (78400, 255172), (127586, 156800)]