17226875

素因数分解:

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

素因数の和:704

約数の個数: 20

約数和(自身を含む): 22061688

約数和(自身を除く): 4834813

約数列:

[1, 5, 25, 43, 125, 215, 625, 641, 1075, 3205, 5375, 16025, 26875, 27563, 80125, 137815, 400625, 689075, 3445375, 17226875]

約数ペア:

[(1, 17226875), (5, 3445375), (25, 689075), (43, 400625), (125, 137815), (215, 80125), (625, 27563), (641, 26875), (1075, 16025), (3205, 5375)]