10402040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 26127360

約数和(自身を除く): 15725320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 503, 517, 940, 1006, 1034, 1880, 2012, 2068, 2515, 2585, 4024, 4136, 5030, 5170, 5533, 10060, 10340, 11066, 20120, 20680, 22132, 23641, 27665, 44264, 47282, 55330, 94564, 110660, 118205, 189128, 221320, 236410, 260051, 472820, 520102, 945640, 1040204, 1300255, 2080408, 2600510, 5201020, 10402040]

約数ペア:

[(1, 10402040), (2, 5201020), (4, 2600510), (5, 2080408), (8, 1300255), (10, 1040204), (11, 945640), (20, 520102), (22, 472820), (40, 260051), (44, 236410), (47, 221320), (55, 189128), (88, 118205), (94, 110660), (110, 94564), (188, 55330), (220, 47282), (235, 44264), (376, 27665), (440, 23641), (470, 22132), (503, 20680), (517, 20120), (940, 11066), (1006, 10340), (1034, 10060), (1880, 5533), (2012, 5170), (2068, 5030), (2515, 4136), (2585, 4024)]