87420815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{18541}}^1$

素因数の和:18610

約数の個数: 16

約数和(自身を含む): 112142016

約数和(自身を除く): 24721201

約数列:

[1, 5, 23, 41, 115, 205, 943, 4715, 18541, 92705, 426443, 760181, 2132215, 3800905, 17484163, 87420815]

約数ペア:

[(1, 87420815), (5, 17484163), (23, 3800905), (41, 2132215), (115, 760181), (205, 426443), (943, 92705), (4715, 18541)]