40126280

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1801}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 90496440

約数和(自身を除く): 50370160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 1801, 2228, 2785, 3602, 4456, 5570, 7204, 9005, 11140, 14408, 18010, 22280, 36020, 72040, 1003157, 2006314, 4012628, 5015785, 8025256, 10031570, 20063140, 40126280]

約数ペア:

[(1, 40126280), (2, 20063140), (4, 10031570), (5, 8025256), (8, 5015785), (10, 4012628), (20, 2006314), (40, 1003157), (557, 72040), (1114, 36020), (1801, 22280), (2228, 18010), (2785, 14408), (3602, 11140), (4456, 9005), (5570, 7204)]