8706280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 21876480

約数和(自身を除く): 13170200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 421, 440, 470, 517, 842, 940, 1034, 1684, 1880, 2068, 2105, 2585, 3368, 4136, 4210, 4631, 5170, 8420, 9262, 10340, 16840, 18524, 19787, 20680, 23155, 37048, 39574, 46310, 79148, 92620, 98935, 158296, 185240, 197870, 217657, 395740, 435314, 791480, 870628, 1088285, 1741256, 2176570, 4353140, 8706280]

約数ペア:

[(1, 8706280), (2, 4353140), (4, 2176570), (5, 1741256), (8, 1088285), (10, 870628), (11, 791480), (20, 435314), (22, 395740), (40, 217657), (44, 197870), (47, 185240), (55, 158296), (88, 98935), (94, 92620), (110, 79148), (188, 46310), (220, 39574), (235, 37048), (376, 23155), (421, 20680), (440, 19787), (470, 18524), (517, 16840), (842, 10340), (940, 9262), (1034, 8420), (1684, 5170), (1880, 4631), (2068, 4210), (2105, 4136), (2585, 3368)]