2021180360

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{182417}}^1$

素因数の和:182705

約数の個数: 32

約数和(自身を含む): 4564098360

約数和(自身を除く): 2542918000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 5540, 11080, 182417, 364834, 729668, 912085, 1459336, 1824170, 3648340, 7296680, 50529509, 101059018, 202118036, 252647545, 404236072, 505295090, 1010590180, 2021180360]

約数ペア:

[(1, 2021180360), (2, 1010590180), (4, 505295090), (5, 404236072), (8, 252647545), (10, 202118036), (20, 101059018), (40, 50529509), (277, 7296680), (554, 3648340), (1108, 1824170), (1385, 1459336), (2216, 912085), (2770, 729668), (5540, 364834), (11080, 182417)]