2872880

素因数分解:

$2^4\times 5^1\times {\mathrm{35911}}^1$

素因数の和:35924

約数の個数: 20

約数和(自身を含む): 6679632

約数和(自身を除く): 3806752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 35911, 71822, 143644, 179555, 287288, 359110, 574576, 718220, 1436440, 2872880]

約数ペア:

[(1, 2872880), (2, 1436440), (4, 718220), (5, 574576), (8, 359110), (10, 287288), (16, 179555), (20, 143644), (40, 71822), (80, 35911)]