7994240

素因数分解:

$2^7\times 5^1\times {\mathrm{12491}}^1$

素因数の和:12510

約数の個数: 32

約数和(自身を含む): 19112760

約数和(自身を除く): 11118520

約数列:

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

約数ペア:

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