2905415560

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{44809}}^1$

素因数の和:46441

約数の個数: 32

約数和(自身を含む): 6541363800

約数和(自身を除く): 3635948240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 3242, 6484, 8105, 12968, 16210, 32420, 44809, 64840, 89618, 179236, 224045, 358472, 448090, 896180, 1792360, 72635389, 145270778, 290541556, 363176945, 581083112, 726353890, 1452707780, 2905415560]

約数ペア:

[(1, 2905415560), (2, 1452707780), (4, 726353890), (5, 581083112), (8, 363176945), (10, 290541556), (20, 145270778), (40, 72635389), (1621, 1792360), (3242, 896180), (6484, 448090), (8105, 358472), (12968, 224045), (16210, 179236), (32420, 89618), (44809, 64840)]