39972800

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:155

約数の個数: 168

約数和(自身を含む): 116409216

約数和(自身を除く): 76436416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 43, 50, 56, 64, 70, 80, 83, 86, 100, 112, 140, 160, 166, 172, 175, 200, 215, 224, 280, 301, 320, 332, 344, 350, 400, 415, 430, 448, 560, 581, 602, 664, 688, 700, 800, 830, 860, 1075, 1120, 1162, 1204, 1328, 1376, 1400, 1505, 1600, 1660, 1720, 2075, 2150, 2240, 2324, 2408, 2656, 2752, 2800, 2905, 3010, 3320, 3440, 3569, 4150, 4300, 4648, 4816, 5312, 5600, 5810, 6020, 6640, 6880, 7138, 7525, 8300, 8600, 9296, 9632, 11200, 11620, 12040, 13280, 13760, 14276, 14525, 15050, 16600, 17200, 17845, 18592, 19264, 23240, 24080, 24983, 26560, 28552, 29050, 30100, 33200, 34400, 35690, 37184, 46480, 48160, 49966, 57104, 58100, 60200, 66400, 68800, 71380, 89225, 92960, 96320, 99932, 114208, 116200, 120400, 124915, 132800, 142760, 178450, 185920, 199864, 228416, 232400, 240800, 249830, 285520, 356900, 399728, 464800, 481600, 499660, 571040, 624575, 713800, 799456, 929600, 999320, 1142080, 1249150, 1427600, 1598912, 1998640, 2498300, 2855200, 3997280, 4996600, 5710400, 7994560, 9993200, 19986400, 39972800]

約数ペア:

[(1, 39972800), (2, 19986400), (4, 9993200), (5, 7994560), (7, 5710400), (8, 4996600), (10, 3997280), (14, 2855200), (16, 2498300), (20, 1998640), (25, 1598912), (28, 1427600), (32, 1249150), (35, 1142080), (40, 999320), (43, 929600), (50, 799456), (56, 713800), (64, 624575), (70, 571040), (80, 499660), (83, 481600), (86, 464800), (100, 399728), (112, 356900), (140, 285520), (160, 249830), (166, 240800), (172, 232400), (175, 228416), (200, 199864), (215, 185920), (224, 178450), (280, 142760), (301, 132800), (320, 124915), (332, 120400), (344, 116200), (350, 114208), (400, 99932), (415, 96320), (430, 92960), (448, 89225), (560, 71380), (581, 68800), (602, 66400), (664, 60200), (688, 58100), (700, 57104), (800, 49966), (830, 48160), (860, 46480), (1075, 37184), (1120, 35690), (1162, 34400), (1204, 33200), (1328, 30100), (1376, 29050), (1400, 28552), (1505, 26560), (1600, 24983), (1660, 24080), (1720, 23240), (2075, 19264), (2150, 18592), (2240, 17845), (2324, 17200), (2408, 16600), (2656, 15050), (2752, 14525), (2800, 14276), (2905, 13760), (3010, 13280), (3320, 12040), (3440, 11620), (3569, 11200), (4150, 9632), (4300, 9296), (4648, 8600), (4816, 8300), (5312, 7525), (5600, 7138), (5810, 6880), (6020, 6640)]