2145940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2617}}^1$

素因数の和:2667

約数の個数: 24

約数和(自身を含む): 4618152

約数和(自身を除く): 2472212

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2617, 5234, 10468, 13085, 26170, 52340, 107297, 214594, 429188, 536485, 1072970, 2145940]

約数ペア:

[(1, 2145940), (2, 1072970), (4, 536485), (5, 429188), (10, 214594), (20, 107297), (41, 52340), (82, 26170), (164, 13085), (205, 10468), (410, 5234), (820, 2617)]