201865540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127763}}^1$

素因数の和:127851

約数の個数: 24

約数和(自身を含む): 429287040

約数和(自身を除く): 227421500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 127763, 255526, 511052, 638815, 1277630, 2555260, 10093277, 20186554, 40373108, 50466385, 100932770, 201865540]

約数ペア:

[(1, 201865540), (2, 100932770), (4, 50466385), (5, 40373108), (10, 20186554), (20, 10093277), (79, 2555260), (158, 1277630), (316, 638815), (395, 511052), (790, 255526), (1580, 127763)]