40751540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49697}}^1$

素因数の和:49747

約数の個数: 24

約数和(自身を含む): 87667272

約数和(自身を除く): 46915732

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 49697, 99394, 198788, 248485, 496970, 993940, 2037577, 4075154, 8150308, 10187885, 20375770, 40751540]

約数ペア:

[(1, 40751540), (2, 20375770), (4, 10187885), (5, 8150308), (10, 4075154), (20, 2037577), (41, 993940), (82, 496970), (164, 248485), (205, 198788), (410, 99394), (820, 49697)]