16169375

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:692

約数の個数: 20

約数和(自身を含む): 20730864

約数和(自身を除く): 4561489

約数列:

[1, 5, 25, 41, 125, 205, 625, 631, 1025, 3155, 5125, 15775, 25625, 25871, 78875, 129355, 394375, 646775, 3233875, 16169375]

約数ペア:

[(1, 16169375), (5, 3233875), (25, 646775), (41, 394375), (125, 129355), (205, 78875), (625, 25871), (631, 25625), (1025, 15775), (3155, 5125)]