87525640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 203448960

約数和(自身を除く): 115923320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 151, 172, 215, 302, 337, 344, 430, 604, 674, 755, 860, 1208, 1348, 1510, 1685, 1720, 2696, 3020, 3370, 6040, 6493, 6740, 12986, 13480, 14491, 25972, 28982, 32465, 50887, 51944, 57964, 64930, 72455, 101774, 115928, 129860, 144910, 203548, 254435, 259720, 289820, 407096, 508870, 579640, 1017740, 2035480, 2188141, 4376282, 8752564, 10940705, 17505128, 21881410, 43762820, 87525640]

約数ペア:

[(1, 87525640), (2, 43762820), (4, 21881410), (5, 17505128), (8, 10940705), (10, 8752564), (20, 4376282), (40, 2188141), (43, 2035480), (86, 1017740), (151, 579640), (172, 508870), (215, 407096), (302, 289820), (337, 259720), (344, 254435), (430, 203548), (604, 144910), (674, 129860), (755, 115928), (860, 101774), (1208, 72455), (1348, 64930), (1510, 57964), (1685, 51944), (1720, 50887), (2696, 32465), (3020, 28982), (3370, 25972), (6040, 14491), (6493, 13480), (6740, 12986)]