85710680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1487}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 212129280

約数和(自身を除く): 126418600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 655, 1048, 1310, 1441, 1487, 2620, 2882, 2974, 5240, 5764, 5948, 7205, 7435, 11528, 11896, 14410, 14870, 16357, 28820, 29740, 32714, 57640, 59480, 65428, 81785, 130856, 163570, 194797, 327140, 389594, 654280, 779188, 973985, 1558376, 1947970, 2142767, 3895940, 4285534, 7791880, 8571068, 10713835, 17142136, 21427670, 42855340, 85710680]

約数ペア:

[(1, 85710680), (2, 42855340), (4, 21427670), (5, 17142136), (8, 10713835), (10, 8571068), (11, 7791880), (20, 4285534), (22, 3895940), (40, 2142767), (44, 1947970), (55, 1558376), (88, 973985), (110, 779188), (131, 654280), (220, 389594), (262, 327140), (440, 194797), (524, 163570), (655, 130856), (1048, 81785), (1310, 65428), (1441, 59480), (1487, 57640), (2620, 32714), (2882, 29740), (2974, 28820), (5240, 16357), (5764, 14870), (5948, 14410), (7205, 11896), (7435, 11528)]