85461640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4517}}^1$

素因数の和:4582

約数の個数: 64

約数和(自身を含む): 214695360

約数和(自身を除く): 129233720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4517, 4730, 9034, 9460, 18068, 18920, 22585, 36136, 45170, 49687, 90340, 99374, 180680, 194231, 198748, 248435, 388462, 397496, 496870, 776924, 971155, 993740, 1553848, 1942310, 1987480, 2136541, 3884620, 4273082, 7769240, 8546164, 10682705, 17092328, 21365410, 42730820, 85461640]

約数ペア:

[(1, 85461640), (2, 42730820), (4, 21365410), (5, 17092328), (8, 10682705), (10, 8546164), (11, 7769240), (20, 4273082), (22, 3884620), (40, 2136541), (43, 1987480), (44, 1942310), (55, 1553848), (86, 993740), (88, 971155), (110, 776924), (172, 496870), (215, 397496), (220, 388462), (344, 248435), (430, 198748), (440, 194231), (473, 180680), (860, 99374), (946, 90340), (1720, 49687), (1892, 45170), (2365, 36136), (3784, 22585), (4517, 18920), (4730, 18068), (9034, 9460)]