80324980

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{2791}}^1$

素因数の和:4239

約数の個数: 24

約数和(自身を含む): 168860160

約数和(自身を除く): 88535180

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2791, 2878, 5582, 5756, 7195, 11164, 13955, 14390, 27910, 28780, 55820, 4016249, 8032498, 16064996, 20081245, 40162490, 80324980]

約数ペア:

[(1, 80324980), (2, 40162490), (4, 20081245), (5, 16064996), (10, 8032498), (20, 4016249), (1439, 55820), (2791, 28780), (2878, 27910), (5582, 14390), (5756, 13955), (7195, 11164)]