39755920

素因数分解:

$2^4\times 5^1\times {\mathrm{496949}}^1$

素因数の和:496962

約数の個数: 20

約数和(自身を含む): 92432700

約数和(自身を除く): 52676780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 496949, 993898, 1987796, 2484745, 3975592, 4969490, 7951184, 9938980, 19877960, 39755920]

約数ペア:

[(1, 39755920), (2, 19877960), (4, 9938980), (5, 7951184), (8, 4969490), (10, 3975592), (16, 2484745), (20, 1987796), (40, 993898), (80, 496949)]