81502321825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{7951}}^1$

素因数の和:8338

約数の個数: 48

約数和(自身を含む): 108623047680

約数和(自身を除く): 27120725855

約数列:

[1, 5, 17, 25, 85, 89, 271, 425, 445, 1355, 1513, 2225, 4607, 6775, 7565, 7951, 23035, 24119, 37825, 39755, 115175, 120595, 135167, 198775, 410023, 602975, 675835, 707639, 2050115, 2154721, 3379175, 3538195, 10250575, 10773605, 12029863, 17690975, 36630257, 53868025, 60149315, 183151285, 191770169, 300746575, 915756425, 958850845, 3260092873, 4794254225, 16300464365, 81502321825]

約数ペア:

[(1, 81502321825), (5, 16300464365), (17, 4794254225), (25, 3260092873), (85, 958850845), (89, 915756425), (271, 300746575), (425, 191770169), (445, 183151285), (1355, 60149315), (1513, 53868025), (2225, 36630257), (4607, 17690975), (6775, 12029863), (7565, 10773605), (7951, 10250575), (23035, 3538195), (24119, 3379175), (37825, 2154721), (39755, 2050115), (115175, 707639), (120595, 675835), (135167, 602975), (198775, 410023)]