15988480

素因数分解:

$2^8\times 5^1\times {\mathrm{12491}}^1$

素因数の和:12512

約数の個数: 36

約数和(自身を含む): 38300472

約数和(自身を除く): 22311992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 399712, 499640, 799424, 999280, 1598848, 1998560, 3197696, 3997120, 7994240, 15988480]

約数ペア:

[(1, 15988480), (2, 7994240), (4, 3997120), (5, 3197696), (8, 1998560), (10, 1598848), (16, 999280), (20, 799424), (32, 499640), (40, 399712), (64, 249820), (80, 199856), (128, 124910), (160, 99928), (256, 62455), (320, 49964), (640, 24982), (1280, 12491)]