28870550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{7309}}^1$

素因数の和:7400

約数の個数: 24

約数和(自身を含む): 54386400

約数和(自身を除く): 25515850

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 7309, 14618, 36545, 73090, 182725, 365450, 577411, 1154822, 2887055, 5774110, 14435275, 28870550]

約数ペア:

[(1, 28870550), (2, 14435275), (5, 5774110), (10, 2887055), (25, 1154822), (50, 577411), (79, 365450), (158, 182725), (395, 73090), (790, 36545), (1975, 14618), (3950, 7309)]