220171825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1879}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 282075200

約数和(自身を除く): 61903375

約数列:

[1, 5, 25, 43, 109, 215, 545, 1075, 1879, 2725, 4687, 9395, 23435, 46975, 80797, 117175, 204811, 403985, 1024055, 2019925, 5120275, 8806873, 44034365, 220171825]

約数ペア:

[(1, 220171825), (5, 44034365), (25, 8806873), (43, 5120275), (109, 2019925), (215, 1024055), (545, 403985), (1075, 204811), (1879, 117175), (2725, 80797), (4687, 46975), (9395, 23435)]