3997120

素因数分解:

$2^6\times 5^1\times {\mathrm{12491}}^1$

素因数の和:12508

約数の個数: 28

約数和(自身を含む): 9518904

約数和(自身を除く): 5521784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 399712, 499640, 799424, 999280, 1998560, 3997120]

約数ペア:

[(1, 3997120), (2, 1998560), (4, 999280), (5, 799424), (8, 499640), (10, 399712), (16, 249820), (20, 199856), (32, 124910), (40, 99928), (64, 62455), (80, 49964), (160, 24982), (320, 12491)]