28320340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34537}}^1$

素因数の和:34587

約数の個数: 24

約数和(自身を含む): 60925032

約数和(自身を除く): 32604692

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34537, 69074, 138148, 172685, 345370, 690740, 1416017, 2832034, 5664068, 7080085, 14160170, 28320340]

約数ペア:

[(1, 28320340), (2, 14160170), (4, 7080085), (5, 5664068), (10, 2832034), (20, 1416017), (41, 690740), (82, 345370), (164, 172685), (205, 138148), (410, 69074), (820, 34537)]