51680625

素因数分解:

$3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 40

約数和(自身を含む): 88246752

約数和(自身を除く): 36566127

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 625, 641, 645, 1075, 1875, 1923, 3205, 3225, 5375, 9615, 16025, 16125, 26875, 27563, 48075, 80125, 80625, 82689, 137815, 240375, 400625, 413445, 689075, 1201875, 2067225, 3445375, 10336125, 17226875, 51680625]

約数ペア:

[(1, 51680625), (3, 17226875), (5, 10336125), (15, 3445375), (25, 2067225), (43, 1201875), (75, 689075), (125, 413445), (129, 400625), (215, 240375), (375, 137815), (625, 82689), (641, 80625), (645, 80125), (1075, 48075), (1875, 27563), (1923, 26875), (3205, 16125), (3225, 16025), (5375, 9615)]