80876680

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{3331}}^1$

素因数の和:3949

約数の個数: 32

約数和(自身を含む): 182327040

約数和(自身を除く): 101450360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 3331, 4856, 6070, 6662, 12140, 13324, 16655, 24280, 26648, 33310, 66620, 133240, 2021917, 4043834, 8087668, 10109585, 16175336, 20219170, 40438340, 80876680]

約数ペア:

[(1, 80876680), (2, 40438340), (4, 20219170), (5, 16175336), (8, 10109585), (10, 8087668), (20, 4043834), (40, 2021917), (607, 133240), (1214, 66620), (2428, 33310), (3035, 26648), (3331, 24280), (4856, 16655), (6070, 13324), (6662, 12140)]