87246640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83891}}^1$

素因数の和:83917

約数の個数: 40

約数和(自身を含む): 218454768

約数和(自身を除く): 131208128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 83891, 167782, 335564, 419455, 671128, 838910, 1090583, 1342256, 1677820, 2181166, 3355640, 4362332, 5452915, 6711280, 8724664, 10905830, 17449328, 21811660, 43623320, 87246640]

約数ペア:

[(1, 87246640), (2, 43623320), (4, 21811660), (5, 17449328), (8, 10905830), (10, 8724664), (13, 6711280), (16, 5452915), (20, 4362332), (26, 3355640), (40, 2181166), (52, 1677820), (65, 1342256), (80, 1090583), (104, 838910), (130, 671128), (208, 419455), (260, 335564), (520, 167782), (1040, 83891)]