165884875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 239016960

約数和(自身を除く): 73132085

約数列:

[1, 5, 13, 25, 31, 37, 65, 89, 125, 155, 185, 325, 403, 445, 481, 775, 925, 1147, 1157, 1625, 2015, 2225, 2405, 2759, 3293, 3875, 4625, 5735, 5785, 10075, 11125, 12025, 13795, 14911, 16465, 28675, 28925, 35867, 42809, 50375, 60125, 68975, 74555, 82325, 102083, 143375, 144625, 179335, 214045, 344875, 372775, 411625, 510415, 896675, 1070225, 1327079, 1863875, 2552075, 4483375, 5351125, 6635395, 12760375, 33176975, 165884875]

約数ペア:

[(1, 165884875), (5, 33176975), (13, 12760375), (25, 6635395), (31, 5351125), (37, 4483375), (65, 2552075), (89, 1863875), (125, 1327079), (155, 1070225), (185, 896675), (325, 510415), (403, 411625), (445, 372775), (481, 344875), (775, 214045), (925, 179335), (1147, 144625), (1157, 143375), (1625, 102083), (2015, 82325), (2225, 74555), (2405, 68975), (2759, 60125), (3293, 50375), (3875, 42809), (4625, 35867), (5735, 28925), (5785, 28675), (10075, 16465), (11125, 14911), (12025, 13795)]