16022225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 21204000

約数和(自身を除く): 5181775

約数列:

[1, 5, 19, 25, 89, 95, 379, 445, 475, 1691, 1895, 2225, 7201, 8455, 9475, 33731, 36005, 42275, 168655, 180025, 640889, 843275, 3204445, 16022225]

約数ペア:

[(1, 16022225), (5, 3204445), (19, 843275), (25, 640889), (89, 180025), (95, 168655), (379, 42275), (445, 36005), (475, 33731), (1691, 9475), (1895, 8455), (2225, 7201)]