128510090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{162671}}^1$

素因数の和:162757

約数の個数: 16

約数和(自身を含む): 234247680

約数和(自身を除く): 105737590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 162671, 325342, 813355, 1626710, 12851009, 25702018, 64255045, 128510090]

約数ペア:

[(1, 128510090), (2, 64255045), (5, 25702018), (10, 12851009), (79, 1626710), (158, 813355), (395, 325342), (790, 162671)]