90367640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{18671}}^1$

素因数の和:18704

約数の個数: 48

約数和(自身を含む): 223503840

約数和(自身を除く): 133136200

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, 18671, 37342, 74684, 93355, 149368, 186710, 205381, 373420, 410762, 746840, 821524, 1026905, 1643048, 2053810, 2259191, 4107620, 4518382, 8215240, 9036764, 11295955, 18073528, 22591910, 45183820, 90367640]

約数ペア:

[(1, 90367640), (2, 45183820), (4, 22591910), (5, 18073528), (8, 11295955), (10, 9036764), (11, 8215240), (20, 4518382), (22, 4107620), (40, 2259191), (44, 2053810), (55, 1643048), (88, 1026905), (110, 821524), (121, 746840), (220, 410762), (242, 373420), (440, 205381), (484, 186710), (605, 149368), (968, 93355), (1210, 74684), (2420, 37342), (4840, 18671)]