20151056575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{9859}}^1$

素因数の和:10232

約数の個数: 48

約数和(自身を含む): 28414153600

約数和(自身を除く): 8263097025

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 331, 475, 1235, 1655, 4303, 6175, 6289, 8275, 9859, 21515, 31445, 49295, 81757, 107575, 128167, 157225, 187321, 246475, 408785, 640835, 936605, 2043925, 2435173, 3204175, 3263329, 4683025, 12175865, 16316645, 42423277, 60879325, 62003251, 81583225, 212116385, 310016255, 806042263, 1060581925, 1550081275, 4030211315, 20151056575]

約数ペア:

[(1, 20151056575), (5, 4030211315), (13, 1550081275), (19, 1060581925), (25, 806042263), (65, 310016255), (95, 212116385), (247, 81583225), (325, 62003251), (331, 60879325), (475, 42423277), (1235, 16316645), (1655, 12175865), (4303, 4683025), (6175, 3263329), (6289, 3204175), (8275, 2435173), (9859, 2043925), (21515, 936605), (31445, 640835), (49295, 408785), (81757, 246475), (107575, 187321), (128167, 157225)]