126908440

素因数分解:

$2^3\times 5^1\times {\mathrm{3172711}}^1$

素因数の和:3172722

約数の個数: 16

約数和(自身を含む): 285544080

約数和(自身を除く): 158635640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3172711, 6345422, 12690844, 15863555, 25381688, 31727110, 63454220, 126908440]

約数ペア:

[(1, 126908440), (2, 63454220), (4, 31727110), (5, 25381688), (8, 15863555), (10, 12690844), (20, 6345422), (40, 3172711)]