161724620

素因数分解:

$2^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{4021}}^1$

素因数の和:6041

約数の個数: 24

約数和(自身を含む): 339875088

約数和(自身を除く): 178150468

約数列:

[1, 2, 4, 5, 10, 20, 2011, 4021, 4022, 8042, 8044, 10055, 16084, 20105, 20110, 40210, 40220, 80420, 8086231, 16172462, 32344924, 40431155, 80862310, 161724620]

約数ペア:

[(1, 161724620), (2, 80862310), (4, 40431155), (5, 32344924), (10, 16172462), (20, 8086231), (2011, 80420), (4021, 40220), (4022, 40210), (8042, 20110), (8044, 20105), (10055, 16084)]