1256557520

素因数分解:

$2^4\times 5^1\times {\mathrm{617}}^1\times {\mathrm{25457}}^1$

素因数の和:26087

約数の個数: 40

約数和(自身を含む): 2926346184

約数和(自身を除く): 1669788664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 617, 1234, 2468, 3085, 4936, 6170, 9872, 12340, 24680, 25457, 49360, 50914, 101828, 127285, 203656, 254570, 407312, 509140, 1018280, 2036560, 15706969, 31413938, 62827876, 78534845, 125655752, 157069690, 251311504, 314139380, 628278760, 1256557520]

約数ペア:

[(1, 1256557520), (2, 628278760), (4, 314139380), (5, 251311504), (8, 157069690), (10, 125655752), (16, 78534845), (20, 62827876), (40, 31413938), (80, 15706969), (617, 2036560), (1234, 1018280), (2468, 509140), (3085, 407312), (4936, 254570), (6170, 203656), (9872, 127285), (12340, 101828), (24680, 50914), (25457, 49360)]