83398640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80191}}^1$

素因数の和:80217

約数の個数: 40

約数和(自身を含む): 208819968

約数和(自身を除く): 125421328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 80191, 160382, 320764, 400955, 641528, 801910, 1042483, 1283056, 1603820, 2084966, 3207640, 4169932, 5212415, 6415280, 8339864, 10424830, 16679728, 20849660, 41699320, 83398640]

約数ペア:

[(1, 83398640), (2, 41699320), (4, 20849660), (5, 16679728), (8, 10424830), (10, 8339864), (13, 6415280), (16, 5212415), (20, 4169932), (26, 3207640), (40, 2084966), (52, 1603820), (65, 1283056), (80, 1042483), (104, 801910), (130, 641528), (208, 400955), (260, 320764), (520, 160382), (1040, 80191)]