16660580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6359}}^1$

素因数の和:6499

約数の個数: 24

約数和(自身を含む): 35259840

約数和(自身を除く): 18599260

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6359, 12718, 25436, 31795, 63590, 127180, 833029, 1666058, 3332116, 4165145, 8330290, 16660580]

約数ペア:

[(1, 16660580), (2, 8330290), (4, 4165145), (5, 3332116), (10, 1666058), (20, 833029), (131, 127180), (262, 63590), (524, 31795), (655, 25436), (1310, 12718), (2620, 6359)]