1881196040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{288527}}^1$

素因数の和:288701

約数の個数: 32

約数和(自身を含む): 4258673280

約数和(自身を除く): 2377477240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 288527, 577054, 1154108, 1442635, 2308216, 2885270, 5770540, 11541080, 47029901, 94059802, 188119604, 235149505, 376239208, 470299010, 940598020, 1881196040]

約数ペア:

[(1, 1881196040), (2, 940598020), (4, 470299010), (5, 376239208), (8, 235149505), (10, 188119604), (20, 94059802), (40, 47029901), (163, 11541080), (326, 5770540), (652, 2885270), (815, 2308216), (1304, 1442635), (1630, 1154108), (3260, 577054), (6520, 288527)]