2021172280

素因数分解:

$2^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{35509}}^1$

素因数の和:36943

約数の個数: 32

約数和(自身を含む): 4550961600

約数和(自身を除く): 2529789320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1423, 2846, 5692, 7115, 11384, 14230, 28460, 35509, 56920, 71018, 142036, 177545, 284072, 355090, 710180, 1420360, 50529307, 101058614, 202117228, 252646535, 404234456, 505293070, 1010586140, 2021172280]

約数ペア:

[(1, 2021172280), (2, 1010586140), (4, 505293070), (5, 404234456), (8, 252646535), (10, 202117228), (20, 101058614), (40, 50529307), (1423, 1420360), (2846, 710180), (5692, 355090), (7115, 284072), (11384, 177545), (14230, 142036), (28460, 71018), (35509, 56920)]