28464040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{5881}}^1$

素因数の和:5914

約数の個数: 48

約数和(自身を含む): 70407540

約数和(自身を除く): 41943500

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 5881, 11762, 23524, 29405, 47048, 58810, 64691, 117620, 129382, 235240, 258764, 323455, 517528, 646910, 711601, 1293820, 1423202, 2587640, 2846404, 3558005, 5692808, 7116010, 14232020, 28464040]

約数ペア:

[(1, 28464040), (2, 14232020), (4, 7116010), (5, 5692808), (8, 3558005), (10, 2846404), (11, 2587640), (20, 1423202), (22, 1293820), (40, 711601), (44, 646910), (55, 517528), (88, 323455), (110, 258764), (121, 235240), (220, 129382), (242, 117620), (440, 64691), (484, 58810), (605, 47048), (968, 29405), (1210, 23524), (2420, 11762), (4840, 5881)]