42004180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72421}}^1$

素因数の和:72459

約数の個数: 24

約数和(自身を含む): 91251720

約数和(自身を除く): 49247540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 72421, 144842, 289684, 362105, 724210, 1448420, 2100209, 4200418, 8400836, 10501045, 21002090, 42004180]

約数ペア:

[(1, 42004180), (2, 21002090), (4, 10501045), (5, 8400836), (10, 4200418), (20, 2100209), (29, 1448420), (58, 724210), (116, 362105), (145, 289684), (290, 144842), (580, 72421)]