201921640

素因数分解:

$2^3\times 5^1\times {\mathrm{953}}^1\times {\mathrm{5297}}^1$

素因数の和:6261

約数の個数: 32

約数和(自身を含む): 454886280

約数和(自身を除く): 252964640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 953, 1906, 3812, 4765, 5297, 7624, 9530, 10594, 19060, 21188, 26485, 38120, 42376, 52970, 105940, 211880, 5048041, 10096082, 20192164, 25240205, 40384328, 50480410, 100960820, 201921640]

約数ペア:

[(1, 201921640), (2, 100960820), (4, 50480410), (5, 40384328), (8, 25240205), (10, 20192164), (20, 10096082), (40, 5048041), (953, 211880), (1906, 105940), (3812, 52970), (4765, 42376), (5297, 38120), (7624, 26485), (9530, 21188), (10594, 19060)]