1357258640

素因数分解:

$2^4\times 5^1\times {\mathrm{2621}}^1\times {\mathrm{6473}}^1$

素因数の和:9107

約数の個数: 40

約数和(自身を含む): 3157318008

約数和(自身を除く): 1800059368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2621, 5242, 6473, 10484, 12946, 13105, 20968, 25892, 26210, 32365, 41936, 51784, 52420, 64730, 103568, 104840, 129460, 209680, 258920, 517840, 16965733, 33931466, 67862932, 84828665, 135725864, 169657330, 271451728, 339314660, 678629320, 1357258640]

約数ペア:

[(1, 1357258640), (2, 678629320), (4, 339314660), (5, 271451728), (8, 169657330), (10, 135725864), (16, 84828665), (20, 67862932), (40, 33931466), (80, 16965733), (2621, 517840), (5242, 258920), (6473, 209680), (10484, 129460), (12946, 104840), (13105, 103568), (20968, 64730), (25892, 52420), (26210, 51784), (32365, 41936)]