42280220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{39887}}^1$

素因数の和:39949

約数の個数: 24

約数和(自身を含む): 90465984

約数和(自身を除く): 48185764

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 39887, 79774, 159548, 199435, 398870, 797740, 2114011, 4228022, 8456044, 10570055, 21140110, 42280220]

約数ペア:

[(1, 42280220), (2, 21140110), (4, 10570055), (5, 8456044), (10, 4228022), (20, 2114011), (53, 797740), (106, 398870), (212, 199435), (265, 159548), (530, 79774), (1060, 39887)]