90040925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 130616640

約数和(自身を除く): 40575715

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 215, 221, 325, 379, 425, 559, 731, 1075, 1105, 1895, 2795, 3655, 4927, 5525, 6443, 9475, 9503, 13975, 16297, 18275, 24635, 32215, 47515, 81485, 83759, 123175, 161075, 211861, 237575, 277049, 407425, 418795, 1059305, 1385245, 2093975, 3601637, 5296525, 6926225, 18008185, 90040925]

約数ペア:

[(1, 90040925), (5, 18008185), (13, 6926225), (17, 5296525), (25, 3601637), (43, 2093975), (65, 1385245), (85, 1059305), (215, 418795), (221, 407425), (325, 277049), (379, 237575), (425, 211861), (559, 161075), (731, 123175), (1075, 83759), (1105, 81485), (1895, 47515), (2795, 32215), (3655, 24635), (4927, 18275), (5525, 16297), (6443, 13975), (9475, 9503)]