74722840

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8377}}^1$

素因数の和:8611

約数の個数: 32

約数和(自身を含む): 168900480

約数和(自身を除く): 94177640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8377, 8920, 16754, 33508, 41885, 67016, 83770, 167540, 335080, 1868071, 3736142, 7472284, 9340355, 14944568, 18680710, 37361420, 74722840]

約数ペア:

[(1, 74722840), (2, 37361420), (4, 18680710), (5, 14944568), (8, 9340355), (10, 7472284), (20, 3736142), (40, 1868071), (223, 335080), (446, 167540), (892, 83770), (1115, 67016), (1784, 41885), (2230, 33508), (4460, 16754), (8377, 8920)]