51456875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 70852320

約数和(自身を除く): 19395445

約数列:

[1, 5, 17, 25, 29, 85, 125, 145, 167, 425, 493, 625, 725, 835, 2125, 2465, 2839, 3625, 4175, 4843, 10625, 12325, 14195, 18125, 20875, 24215, 61625, 70975, 82331, 104375, 121075, 308125, 354875, 411655, 605375, 1774375, 2058275, 3026875, 10291375, 51456875]

約数ペア:

[(1, 51456875), (5, 10291375), (17, 3026875), (25, 2058275), (29, 1774375), (85, 605375), (125, 411655), (145, 354875), (167, 308125), (425, 121075), (493, 104375), (625, 82331), (725, 70975), (835, 61625), (2125, 24215), (2465, 20875), (2839, 18125), (3625, 14195), (4175, 12325), (4843, 10625)]