51078625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 74417616

約数和(自身を除く): 23338991

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 125, 215, 221, 325, 425, 559, 731, 1075, 1105, 1625, 1849, 2125, 2795, 3655, 5375, 5525, 9245, 9503, 13975, 18275, 24037, 27625, 31433, 46225, 47515, 69875, 91375, 120185, 157165, 231125, 237575, 408629, 600925, 785825, 1187875, 2043145, 3004625, 3929125, 10215725, 51078625]

約数ペア:

[(1, 51078625), (5, 10215725), (13, 3929125), (17, 3004625), (25, 2043145), (43, 1187875), (65, 785825), (85, 600925), (125, 408629), (215, 237575), (221, 231125), (325, 157165), (425, 120185), (559, 91375), (731, 69875), (1075, 47515), (1105, 46225), (1625, 31433), (1849, 27625), (2125, 24037), (2795, 18275), (3655, 13975), (5375, 9503), (5525, 9245)]