27777620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5623}}^1$

素因数の和:5664

約数の個数: 48

約数和(自身を含む): 66138240

約数和(自身を除く): 38360620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5623, 11246, 22492, 28115, 56230, 73099, 106837, 112460, 146198, 213674, 292396, 365495, 427348, 534185, 730990, 1068370, 1388881, 1461980, 2136740, 2777762, 5555524, 6944405, 13888810, 27777620]

約数ペア:

[(1, 27777620), (2, 13888810), (4, 6944405), (5, 5555524), (10, 2777762), (13, 2136740), (19, 1461980), (20, 1388881), (26, 1068370), (38, 730990), (52, 534185), (65, 427348), (76, 365495), (95, 292396), (130, 213674), (190, 146198), (247, 112460), (260, 106837), (380, 73099), (494, 56230), (988, 28115), (1235, 22492), (2470, 11246), (4940, 5623)]