85830875

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 123327360

約数和(自身を除く): 37496485

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 169, 221, 239, 325, 425, 845, 1105, 1195, 1625, 2125, 2873, 3107, 4063, 4225, 5525, 5975, 14365, 15535, 20315, 21125, 27625, 29875, 40391, 52819, 71825, 77675, 101575, 201955, 264095, 359125, 388375, 507875, 686647, 1009775, 1320475, 3433235, 5048875, 6602375, 17166175, 85830875]

約数ペア:

[(1, 85830875), (5, 17166175), (13, 6602375), (17, 5048875), (25, 3433235), (65, 1320475), (85, 1009775), (125, 686647), (169, 507875), (221, 388375), (239, 359125), (325, 264095), (425, 201955), (845, 101575), (1105, 77675), (1195, 71825), (1625, 52819), (2125, 40391), (2873, 29875), (3107, 27625), (4063, 21125), (4225, 20315), (5525, 15535), (5975, 14365)]