72111940

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{20143}}^1$

素因数の和:20331

約数の個数: 24

約数和(自身を含む): 152288640

約数和(自身を除く): 80176700

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 20143, 40286, 80572, 100715, 201430, 402860, 3605597, 7211194, 14422388, 18027985, 36055970, 72111940]

約数ペア:

[(1, 72111940), (2, 36055970), (4, 18027985), (5, 14422388), (10, 7211194), (20, 3605597), (179, 402860), (358, 201430), (716, 100715), (895, 80572), (1790, 40286), (3580, 20143)]