7407681125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{1579}}^1\times {\mathrm{2887}}^1$

素因数の和:4494

約数の個数: 32

約数和(自身を含む): 9965679360

約数和(自身を除く): 2557998235

約数列:

[1, 5, 13, 25, 65, 125, 325, 1579, 1625, 2887, 7895, 14435, 20527, 37531, 39475, 72175, 102635, 187655, 197375, 360875, 513175, 938275, 2565875, 4558573, 4691375, 22792865, 59261449, 113964325, 296307245, 569821625, 1481536225, 7407681125]

約数ペア:

[(1, 7407681125), (5, 1481536225), (13, 569821625), (25, 296307245), (65, 113964325), (125, 59261449), (325, 22792865), (1579, 4691375), (1625, 4558573), (2887, 2565875), (7895, 938275), (14435, 513175), (20527, 360875), (37531, 197375), (39475, 187655), (72175, 102635)]