15697726580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{313829}}^1$

素因数の和:313940

約数の個数: 48

約数和(自身を含む): 34322959440

約数和(自身を除く): 18625232860

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2501, 5002, 10004, 12505, 25010, 50020, 313829, 627658, 1255316, 1569145, 3138290, 6276580, 12866989, 19143569, 25733978, 38287138, 51467956, 64334945, 76574276, 95717845, 128669890, 191435690, 257339780, 382871380, 784886329, 1569772658, 3139545316, 3924431645, 7848863290, 15697726580]

約数ペア:

[(1, 15697726580), (2, 7848863290), (4, 3924431645), (5, 3139545316), (10, 1569772658), (20, 784886329), (41, 382871380), (61, 257339780), (82, 191435690), (122, 128669890), (164, 95717845), (205, 76574276), (244, 64334945), (305, 51467956), (410, 38287138), (610, 25733978), (820, 19143569), (1220, 12866989), (2501, 6276580), (5002, 3138290), (10004, 1569145), (12505, 1255316), (25010, 627658), (50020, 313829)]