78970180

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{2767}}^1$

素因数の和:4203

約数の個数: 24

約数和(自身を含む): 166013568

約数和(自身を除く): 87043388

約数列:

[1, 2, 4, 5, 10, 20, 1427, 2767, 2854, 5534, 5708, 7135, 11068, 13835, 14270, 27670, 28540, 55340, 3948509, 7897018, 15794036, 19742545, 39485090, 78970180]

約数ペア:

[(1, 78970180), (2, 39485090), (4, 19742545), (5, 15794036), (10, 7897018), (20, 3948509), (1427, 55340), (2767, 28540), (2854, 27670), (5534, 14270), (5708, 13835), (7135, 11068)]