8315125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 64

約数和(自身を含む): 13837824

約数和(自身を除く): 5522699

約数列:

[1, 5, 7, 13, 17, 25, 35, 43, 65, 85, 91, 119, 125, 175, 215, 221, 301, 325, 425, 455, 559, 595, 731, 875, 1075, 1105, 1505, 1547, 1625, 2125, 2275, 2795, 2975, 3655, 3913, 5117, 5375, 5525, 7525, 7735, 9503, 11375, 13975, 14875, 18275, 19565, 25585, 27625, 37625, 38675, 47515, 66521, 69875, 91375, 97825, 127925, 193375, 237575, 332605, 489125, 639625, 1187875, 1663025, 8315125]

約数ペア:

[(1, 8315125), (5, 1663025), (7, 1187875), (13, 639625), (17, 489125), (25, 332605), (35, 237575), (43, 193375), (65, 127925), (85, 97825), (91, 91375), (119, 69875), (125, 66521), (175, 47515), (215, 38675), (221, 37625), (301, 27625), (325, 25585), (425, 19565), (455, 18275), (559, 14875), (595, 13975), (731, 11375), (875, 9503), (1075, 7735), (1105, 7525), (1505, 5525), (1547, 5375), (1625, 5117), (2125, 3913), (2275, 3655), (2795, 2975)]