27405820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105407}}^1$

素因数の和:105429

約数の個数: 24

約数和(自身を含む): 61979904

約数和(自身を除く): 34574084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 105407, 210814, 421628, 527035, 1054070, 1370291, 2108140, 2740582, 5481164, 6851455, 13702910, 27405820]

約数ペア:

[(1, 27405820), (2, 13702910), (4, 6851455), (5, 5481164), (10, 2740582), (13, 2108140), (20, 1370291), (26, 1054070), (52, 527035), (65, 421628), (130, 210814), (260, 105407)]