13258375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 18345600

約数和(自身を除く): 5087225

約数列:

[1, 5, 13, 25, 41, 65, 125, 199, 205, 325, 533, 995, 1025, 1625, 2587, 2665, 4975, 5125, 8159, 12935, 13325, 24875, 40795, 64675, 66625, 106067, 203975, 323375, 530335, 1019875, 2651675, 13258375]

約数ペア:

[(1, 13258375), (5, 2651675), (13, 1019875), (25, 530335), (41, 323375), (65, 203975), (125, 106067), (199, 66625), (205, 64675), (325, 40795), (533, 24875), (995, 13325), (1025, 12935), (1625, 8159), (2587, 5125), (2665, 4975)]