9885040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 80

約数和(自身を含む): 25712640

約数和(自身を除く): 15827600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 239, 376, 440, 470, 478, 517, 752, 880, 940, 956, 1034, 1195, 1880, 1912, 2068, 2390, 2585, 2629, 3760, 3824, 4136, 4780, 5170, 5258, 8272, 9560, 10340, 10516, 11233, 13145, 19120, 20680, 21032, 22466, 26290, 41360, 42064, 44932, 52580, 56165, 89864, 105160, 112330, 123563, 179728, 210320, 224660, 247126, 449320, 494252, 617815, 898640, 988504, 1235630, 1977008, 2471260, 4942520, 9885040]

約数ペア:

[(1, 9885040), (2, 4942520), (4, 2471260), (5, 1977008), (8, 1235630), (10, 988504), (11, 898640), (16, 617815), (20, 494252), (22, 449320), (40, 247126), (44, 224660), (47, 210320), (55, 179728), (80, 123563), (88, 112330), (94, 105160), (110, 89864), (176, 56165), (188, 52580), (220, 44932), (235, 42064), (239, 41360), (376, 26290), (440, 22466), (470, 21032), (478, 20680), (517, 19120), (752, 13145), (880, 11233), (940, 10516), (956, 10340), (1034, 9560), (1195, 8272), (1880, 5258), (1912, 5170), (2068, 4780), (2390, 4136), (2585, 3824), (2629, 3760)]