42078280

素因数分解:

$2^3\times 5^1\times {\mathrm{1051957}}^1$

素因数の和:1051968

約数の個数: 16

約数和(自身を含む): 94676220

約数和(自身を除く): 52597940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051957, 2103914, 4207828, 5259785, 8415656, 10519570, 21039140, 42078280]

約数ペア:

[(1, 42078280), (2, 21039140), (4, 10519570), (5, 8415656), (8, 5259785), (10, 4207828), (20, 2103914), (40, 1051957)]