126640

素因数分解:

$2^4\times 5^1\times {\mathrm{1583}}^1$

素因数の和:1596

約数の個数: 20

約数和(自身を含む): 294624

約数和(自身を除く): 167984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1583, 3166, 6332, 7915, 12664, 15830, 25328, 31660, 63320, 126640]

約数ペア:

[(1, 126640), (2, 63320), (4, 31660), (5, 25328), (8, 15830), (10, 12664), (16, 7915), (20, 6332), (40, 3166), (80, 1583)]