85331375

素因数分解:

$5^3\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 117921024

約数和(自身を除く): 32589649

約数列:

[1, 5, 19, 25, 31, 61, 95, 125, 155, 305, 361, 475, 589, 775, 1159, 1525, 1805, 1891, 2375, 2945, 3875, 5795, 7625, 9025, 9455, 11191, 14725, 22021, 28975, 35929, 45125, 47275, 55955, 73625, 110105, 144875, 179645, 236375, 279775, 550525, 682651, 898225, 1398875, 2752625, 3413255, 4491125, 17066275, 85331375]

約数ペア:

[(1, 85331375), (5, 17066275), (19, 4491125), (25, 3413255), (31, 2752625), (61, 1398875), (95, 898225), (125, 682651), (155, 550525), (305, 279775), (361, 236375), (475, 179645), (589, 144875), (775, 110105), (1159, 73625), (1525, 55955), (1805, 47275), (1891, 45125), (2375, 35929), (2945, 28975), (3875, 22021), (5795, 14725), (7625, 11191), (9025, 9455)]