201764620

素因数分解:

$2^2\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{6389}}^1$

素因数の和:7977

約数の個数: 24

約数和(自身を含む): 424040400

約数和(自身を除く): 222275780

約数列:

[1, 2, 4, 5, 10, 20, 1579, 3158, 6316, 6389, 7895, 12778, 15790, 25556, 31580, 31945, 63890, 127780, 10088231, 20176462, 40352924, 50441155, 100882310, 201764620]

約数ペア:

[(1, 201764620), (2, 100882310), (4, 50441155), (5, 40352924), (10, 20176462), (20, 10088231), (1579, 127780), (3158, 63890), (6316, 31945), (6389, 31580), (7895, 25556), (12778, 15790)]