39635920

素因数分解:

$2^4\times 5^1\times {\mathrm{495449}}^1$

素因数の和:495462

約数の個数: 20

約数和(自身を含む): 92153700

約数和(自身を除く): 52517780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 495449, 990898, 1981796, 2477245, 3963592, 4954490, 7927184, 9908980, 19817960, 39635920]

約数ペア:

[(1, 39635920), (2, 19817960), (4, 9908980), (5, 7927184), (8, 4954490), (10, 3963592), (16, 2477245), (20, 1981796), (40, 990898), (80, 495449)]