42637580

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12323}}^1$

素因数の和:12505

約数の個数: 24

約数和(自身を含む): 90063792

約数和(自身を除く): 47426212

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 12323, 24646, 49292, 61615, 123230, 246460, 2131879, 4263758, 8527516, 10659395, 21318790, 42637580]

約数ペア:

[(1, 42637580), (2, 21318790), (4, 10659395), (5, 8527516), (10, 4263758), (20, 2131879), (173, 246460), (346, 123230), (692, 61615), (865, 49292), (1730, 24646), (3460, 12323)]