20130768125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{29851}}^1$

素因数の和:29967

約数の個数: 40

約数和(自身を含む): 27417748512

約数和(自身を除く): 7286980387

約数列:

[1, 5, 13, 25, 65, 83, 125, 325, 415, 625, 1079, 1625, 2075, 5395, 8125, 10375, 26975, 29851, 51875, 134875, 149255, 388063, 674375, 746275, 1940315, 2477633, 3731375, 9701575, 12388165, 18656875, 32209229, 48507875, 61940825, 161046145, 242539375, 309704125, 805230725, 1548520625, 4026153625, 20130768125]

約数ペア:

[(1, 20130768125), (5, 4026153625), (13, 1548520625), (25, 805230725), (65, 309704125), (83, 242539375), (125, 161046145), (325, 61940825), (415, 48507875), (625, 32209229), (1079, 18656875), (1625, 12388165), (2075, 9701575), (5395, 3731375), (8125, 2477633), (10375, 1940315), (26975, 746275), (29851, 674375), (51875, 388063), (134875, 149255)]