65280425

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21943}}^1$

素因数の和:21977

約数の個数: 24

約数和(自身を含む): 97958016

約数和(自身を除く): 32677591

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 21943, 109715, 153601, 373031, 548575, 768005, 1865155, 2611217, 3840025, 9325775, 13056085, 65280425]

約数ペア:

[(1, 65280425), (5, 13056085), (7, 9325775), (17, 3840025), (25, 2611217), (35, 1865155), (85, 768005), (119, 548575), (175, 373031), (425, 153601), (595, 109715), (2975, 21943)]