80490055990

素因数分解:

$2^1\times 5^1\times {\mathrm{49199}}^1\times {\mathrm{163601}}^1$

素因数の和:212807

約数の個数: 16

約数和(自身を含む): 144885931200

約数和(自身を除く): 64395875210

約数列:

[1, 2, 5, 10, 49199, 98398, 163601, 245995, 327202, 491990, 818005, 1636010, 8049005599, 16098011198, 40245027995, 80490055990]

約数ペア:

[(1, 80490055990), (2, 40245027995), (5, 16098011198), (10, 8049005599), (49199, 1636010), (98398, 818005), (163601, 491990), (245995, 327202)]