2239420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2781

約数の個数: 24

約数和(自身を含む): 4819248

約数和(自身を除く): 2579828

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2731, 5462, 10924, 13655, 27310, 54620, 111971, 223942, 447884, 559855, 1119710, 2239420]

約数ペア:

[(1, 2239420), (2, 1119710), (4, 559855), (5, 447884), (10, 223942), (20, 111971), (41, 54620), (82, 27310), (164, 13655), (205, 10924), (410, 5462), (820, 2731)]