8785480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 22135680

約数和(自身を除く): 13350200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 487, 820, 902, 974, 1640, 1804, 1948, 2255, 2435, 3608, 3896, 4510, 4870, 5357, 9020, 9740, 10714, 18040, 19480, 19967, 21428, 26785, 39934, 42856, 53570, 79868, 99835, 107140, 159736, 199670, 214280, 219637, 399340, 439274, 798680, 878548, 1098185, 1757096, 2196370, 4392740, 8785480]

約数ペア:

[(1, 8785480), (2, 4392740), (4, 2196370), (5, 1757096), (8, 1098185), (10, 878548), (11, 798680), (20, 439274), (22, 399340), (40, 219637), (41, 214280), (44, 199670), (55, 159736), (82, 107140), (88, 99835), (110, 79868), (164, 53570), (205, 42856), (220, 39934), (328, 26785), (410, 21428), (440, 19967), (451, 19480), (487, 18040), (820, 10714), (902, 9740), (974, 9020), (1640, 5357), (1804, 4870), (1948, 4510), (2255, 3896), (2435, 3608)]