99890180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{384193}}^1$

素因数の和:384215

約数の個数: 24

約数和(自身を含む): 225906072

約数和(自身を除く): 126015892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 384193, 768386, 1536772, 1920965, 3841930, 4994509, 7683860, 9989018, 19978036, 24972545, 49945090, 99890180]

約数ペア:

[(1, 99890180), (2, 49945090), (4, 24972545), (5, 19978036), (10, 9989018), (13, 7683860), (20, 4994509), (26, 3841930), (52, 1920965), (65, 1536772), (130, 768386), (260, 384193)]