20125400

素因数分解:

$2^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2141}}^1$

素因数の和:2204

約数の個数: 48

約数和(自身を含む): 47809440

約数和(自身を除く): 27684040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 47, 50, 94, 100, 188, 200, 235, 376, 470, 940, 1175, 1880, 2141, 2350, 4282, 4700, 8564, 9400, 10705, 17128, 21410, 42820, 53525, 85640, 100627, 107050, 201254, 214100, 402508, 428200, 503135, 805016, 1006270, 2012540, 2515675, 4025080, 5031350, 10062700, 20125400]

約数ペア:

[(1, 20125400), (2, 10062700), (4, 5031350), (5, 4025080), (8, 2515675), (10, 2012540), (20, 1006270), (25, 805016), (40, 503135), (47, 428200), (50, 402508), (94, 214100), (100, 201254), (188, 107050), (200, 100627), (235, 85640), (376, 53525), (470, 42820), (940, 21410), (1175, 17128), (1880, 10705), (2141, 9400), (2350, 8564), (4282, 4700)]