20565511850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1\times {\mathrm{1171}}^1$

素因数の和:1896

約数の個数: 96

約数和(自身を含む): 42299167680

約数和(自身を除く): 21733655830

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 205, 325, 410, 533, 650, 659, 1025, 1066, 1171, 1318, 2050, 2342, 2665, 3295, 5330, 5855, 6590, 8567, 11710, 13325, 15223, 16475, 17134, 26650, 27019, 29275, 30446, 32950, 42835, 48011, 54038, 58550, 76115, 85670, 96022, 135095, 152230, 214175, 240055, 270190, 351247, 380575, 428350, 480110, 624143, 675475, 702494, 761150, 771689, 1200275, 1248286, 1350950, 1543378, 1756235, 2400550, 3120715, 3512470, 3858445, 6241430, 7716890, 8781175, 10031957, 15603575, 17562350, 19292225, 20063914, 31207150, 31639249, 38584450, 50159785, 63278498, 100319570, 158196245, 250798925, 316392490, 411310237, 501597850, 790981225, 822620474, 1581962450, 2056551185, 4113102370, 10282755925, 20565511850]

約数ペア:

[(1, 20565511850), (2, 10282755925), (5, 4113102370), (10, 2056551185), (13, 1581962450), (25, 822620474), (26, 790981225), (41, 501597850), (50, 411310237), (65, 316392490), (82, 250798925), (130, 158196245), (205, 100319570), (325, 63278498), (410, 50159785), (533, 38584450), (650, 31639249), (659, 31207150), (1025, 20063914), (1066, 19292225), (1171, 17562350), (1318, 15603575), (2050, 10031957), (2342, 8781175), (2665, 7716890), (3295, 6241430), (5330, 3858445), (5855, 3512470), (6590, 3120715), (8567, 2400550), (11710, 1756235), (13325, 1543378), (15223, 1350950), (16475, 1248286), (17134, 1200275), (26650, 771689), (27019, 761150), (29275, 702494), (30446, 675475), (32950, 624143), (42835, 480110), (48011, 428350), (54038, 380575), (58550, 351247), (76115, 270190), (85670, 240055), (96022, 214175), (135095, 152230)]