28968140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{35327}}^1$

素因数の和:35377

約数の個数: 24

約数和(自身を含む): 62318592

約数和(自身を除く): 33350452

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 35327, 70654, 141308, 176635, 353270, 706540, 1448407, 2896814, 5793628, 7242035, 14484070, 28968140]

約数ペア:

[(1, 28968140), (2, 14484070), (4, 7242035), (5, 5793628), (10, 2896814), (20, 1448407), (41, 706540), (82, 353270), (164, 176635), (205, 141308), (410, 70654), (820, 35327)]