87661640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1193}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 216639360

約数和(自身を除く): 128977720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 440, 668, 835, 1193, 1336, 1670, 1837, 2386, 3340, 3674, 4772, 5965, 6680, 7348, 9185, 9544, 11930, 13123, 14696, 18370, 23860, 26246, 36740, 47720, 52492, 65615, 73480, 104984, 131230, 199231, 262460, 398462, 524920, 796924, 996155, 1593848, 1992310, 2191541, 3984620, 4383082, 7969240, 8766164, 10957705, 17532328, 21915410, 43830820, 87661640]

約数ペア:

[(1, 87661640), (2, 43830820), (4, 21915410), (5, 17532328), (8, 10957705), (10, 8766164), (11, 7969240), (20, 4383082), (22, 3984620), (40, 2191541), (44, 1992310), (55, 1593848), (88, 996155), (110, 796924), (167, 524920), (220, 398462), (334, 262460), (440, 199231), (668, 131230), (835, 104984), (1193, 73480), (1336, 65615), (1670, 52492), (1837, 47720), (2386, 36740), (3340, 26246), (3674, 23860), (4772, 18370), (5965, 14696), (6680, 13123), (7348, 11930), (9185, 9544)]