39980380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181729}}^1$

素因数の和:181749

約数の個数: 24

約数和(自身を含む): 91591920

約数和(自身を除く): 51611540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 181729, 363458, 726916, 908645, 1817290, 1999019, 3634580, 3998038, 7996076, 9995095, 19990190, 39980380]

約数ペア:

[(1, 39980380), (2, 19990190), (4, 9995095), (5, 7996076), (10, 3998038), (11, 3634580), (20, 1999019), (22, 1817290), (44, 908645), (55, 726916), (110, 363458), (220, 181729)]