808840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 1851480

約数和(自身を除く): 1042640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 277, 292, 365, 554, 584, 730, 1108, 1385, 1460, 2216, 2770, 2920, 5540, 11080, 20221, 40442, 80884, 101105, 161768, 202210, 404420, 808840]

約数ペア:

[(1, 808840), (2, 404420), (4, 202210), (5, 161768), (8, 101105), (10, 80884), (20, 40442), (40, 20221), (73, 11080), (146, 5540), (277, 2920), (292, 2770), (365, 2216), (554, 1460), (584, 1385), (730, 1108)]