42500240

素因数分解:

$2^4\times 5^1\times {\mathrm{531253}}^1$

素因数の和:531266

約数の個数: 20

約数和(自身を含む): 98813244

約数和(自身を除く): 56313004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 531253, 1062506, 2125012, 2656265, 4250024, 5312530, 8500048, 10625060, 21250120, 42500240]

約数ペア:

[(1, 42500240), (2, 21250120), (4, 10625060), (5, 8500048), (8, 5312530), (10, 4250024), (16, 2656265), (20, 2125012), (40, 1062506), (80, 531253)]