7961420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12841}}^1$

素因数の和:12881

約数の個数: 24

約数和(自身を含む): 17259648

約数和(自身を除く): 9298228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12841, 25682, 51364, 64205, 128410, 256820, 398071, 796142, 1592284, 1990355, 3980710, 7961420]

約数ペア:

[(1, 7961420), (2, 3980710), (4, 1990355), (5, 1592284), (10, 796142), (20, 398071), (31, 256820), (62, 128410), (124, 64205), (155, 51364), (310, 25682), (620, 12841)]