64050580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2671}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 148135680

約数和(自身を除く): 84085100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 2671, 4796, 5342, 5995, 10684, 11990, 13355, 23980, 26710, 29381, 53420, 58762, 117524, 146905, 291139, 293810, 582278, 587620, 1164556, 1455695, 2911390, 3202529, 5822780, 6405058, 12810116, 16012645, 32025290, 64050580]

約数ペア:

[(1, 64050580), (2, 32025290), (4, 16012645), (5, 12810116), (10, 6405058), (11, 5822780), (20, 3202529), (22, 2911390), (44, 1455695), (55, 1164556), (109, 587620), (110, 582278), (218, 293810), (220, 291139), (436, 146905), (545, 117524), (1090, 58762), (1199, 53420), (2180, 29381), (2398, 26710), (2671, 23980), (4796, 13355), (5342, 11990), (5995, 10684)]