87031540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{189199}}^1$

素因数の和:189231

約数の個数: 24

約数和(自身を含む): 190713600

約数和(自身を除く): 103682060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 189199, 378398, 756796, 945995, 1891990, 3783980, 4351577, 8703154, 17406308, 21757885, 43515770, 87031540]

約数ペア:

[(1, 87031540), (2, 43515770), (4, 21757885), (5, 17406308), (10, 8703154), (20, 4351577), (23, 3783980), (46, 1891990), (92, 945995), (115, 756796), (230, 378398), (460, 189199)]