71761625

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 100488960

約数和(自身を除く): 28727335

約数列:

[1, 5, 13, 25, 43, 65, 79, 125, 169, 215, 325, 395, 559, 845, 1027, 1075, 1625, 1975, 2795, 3397, 4225, 5135, 5375, 7267, 9875, 13351, 13975, 16985, 21125, 25675, 36335, 44161, 66755, 69875, 84925, 128375, 181675, 220805, 333775, 424625, 574093, 908375, 1104025, 1668875, 2870465, 5520125, 14352325, 71761625]

約数ペア:

[(1, 71761625), (5, 14352325), (13, 5520125), (25, 2870465), (43, 1668875), (65, 1104025), (79, 908375), (125, 574093), (169, 424625), (215, 333775), (325, 220805), (395, 181675), (559, 128375), (845, 84925), (1027, 69875), (1075, 66755), (1625, 44161), (1975, 36335), (2795, 25675), (3397, 21125), (4225, 16985), (5135, 13975), (5375, 13351), (7267, 9875)]