87681310

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{110989}}^1$

素因数の和:111075

約数の個数: 16

約数和(自身を含む): 159825600

約数和(自身を除く): 72144290

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 110989, 221978, 554945, 1109890, 8768131, 17536262, 43840655, 87681310]

約数ペア:

[(1, 87681310), (2, 43840655), (5, 17536262), (10, 8768131), (79, 1109890), (158, 554945), (395, 221978), (790, 110989)]