64400170

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{28879}}^1$

素因数の和:29109

約数の個数: 16

約数和(自身を含む): 116444160

約数和(自身を除く): 52043990

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 28879, 57758, 144395, 288790, 6440017, 12880034, 32200085, 64400170]

約数ペア:

[(1, 64400170), (2, 32200085), (5, 12880034), (10, 6440017), (223, 288790), (446, 144395), (1115, 57758), (2230, 28879)]