72808225

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18089}}^1$

素因数の和:18129

約数の個数: 24

約数和(自身を含む): 107671680

約数和(自身を除く): 34863455

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 18089, 90445, 126623, 416047, 452225, 633115, 2080235, 2912329, 3165575, 10401175, 14561645, 72808225]

約数ペア:

[(1, 72808225), (5, 14561645), (7, 10401175), (23, 3165575), (25, 2912329), (35, 2080235), (115, 633115), (161, 452225), (175, 416047), (575, 126623), (805, 90445), (4025, 18089)]