42855340

素因数分解:

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

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 98993664

約数和(自身を除く): 56138324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 1487, 2620, 2882, 2974, 5764, 5948, 7205, 7435, 14410, 14870, 16357, 28820, 29740, 32714, 65428, 81785, 163570, 194797, 327140, 389594, 779188, 973985, 1947970, 2142767, 3895940, 4285534, 8571068, 10713835, 21427670, 42855340]

約数ペア:

[(1, 42855340), (2, 21427670), (4, 10713835), (5, 8571068), (10, 4285534), (11, 3895940), (20, 2142767), (22, 1947970), (44, 973985), (55, 779188), (110, 389594), (131, 327140), (220, 194797), (262, 163570), (524, 81785), (655, 65428), (1310, 32714), (1441, 29740), (1487, 28820), (2620, 16357), (2882, 14870), (2974, 14410), (5764, 7435), (5948, 7205)]