40821290

素因数分解:

$2^1\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{2161}}^1$

素因数の和:4057

約数の個数: 16

約数和(自身を含む): 73551240

約数和(自身を除く): 32729950

約数列:

[1, 2, 5, 10, 1889, 2161, 3778, 4322, 9445, 10805, 18890, 21610, 4082129, 8164258, 20410645, 40821290]

約数ペア:

[(1, 40821290), (2, 20410645), (5, 8164258), (10, 4082129), (1889, 21610), (2161, 18890), (3778, 10805), (4322, 9445)]