201643780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{775553}}^1$

素因数の和:775575

約数の個数: 24

約数和(自身を含む): 456025752

約数和(自身を除く): 254381972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 775553, 1551106, 3102212, 3877765, 7755530, 10082189, 15511060, 20164378, 40328756, 50410945, 100821890, 201643780]

約数ペア:

[(1, 201643780), (2, 100821890), (4, 50410945), (5, 40328756), (10, 20164378), (13, 15511060), (20, 10082189), (26, 7755530), (52, 3877765), (65, 3102212), (130, 1551106), (260, 775553)]