74131640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{168481}}^1$

素因数の和:168503

約数の個数: 32

約数和(自身を含む): 181960560

約数和(自身を除く): 107828920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 168481, 336962, 673924, 842405, 1347848, 1684810, 1853291, 3369620, 3706582, 6739240, 7413164, 9266455, 14826328, 18532910, 37065820, 74131640]

約数ペア:

[(1, 74131640), (2, 37065820), (4, 18532910), (5, 14826328), (8, 9266455), (10, 7413164), (11, 6739240), (20, 3706582), (22, 3369620), (40, 1853291), (44, 1684810), (55, 1347848), (88, 842405), (110, 673924), (220, 336962), (440, 168481)]