8623120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 13875440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 41, 44, 55, 80, 82, 88, 110, 164, 176, 205, 220, 239, 328, 410, 440, 451, 478, 656, 820, 880, 902, 956, 1195, 1640, 1804, 1912, 2255, 2390, 2629, 3280, 3608, 3824, 4510, 4780, 5258, 7216, 9020, 9560, 9799, 10516, 13145, 18040, 19120, 19598, 21032, 26290, 36080, 39196, 42064, 48995, 52580, 78392, 97990, 105160, 107789, 156784, 195980, 210320, 215578, 391960, 431156, 538945, 783920, 862312, 1077890, 1724624, 2155780, 4311560, 8623120]

約数ペア:

[(1, 8623120), (2, 4311560), (4, 2155780), (5, 1724624), (8, 1077890), (10, 862312), (11, 783920), (16, 538945), (20, 431156), (22, 391960), (40, 215578), (41, 210320), (44, 195980), (55, 156784), (80, 107789), (82, 105160), (88, 97990), (110, 78392), (164, 52580), (176, 48995), (205, 42064), (220, 39196), (239, 36080), (328, 26290), (410, 21032), (440, 19598), (451, 19120), (478, 18040), (656, 13145), (820, 10516), (880, 9799), (902, 9560), (956, 9020), (1195, 7216), (1640, 5258), (1804, 4780), (1912, 4510), (2255, 3824), (2390, 3608), (2629, 3280)]