2018092040

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{109441}}^1$

素因数の和:109913

約数の個数: 32

約数和(自身を含む): 4550598360

約数和(自身を除く): 2532506320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 18440, 109441, 218882, 437764, 547205, 875528, 1094410, 2188820, 4377640, 50452301, 100904602, 201809204, 252261505, 403618408, 504523010, 1009046020, 2018092040]

約数ペア:

[(1, 2018092040), (2, 1009046020), (4, 504523010), (5, 403618408), (8, 252261505), (10, 201809204), (20, 100904602), (40, 50452301), (461, 4377640), (922, 2188820), (1844, 1094410), (2305, 875528), (3688, 547205), (4610, 437764), (9220, 218882), (18440, 109441)]