86755940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 187608960

約数和(自身を除く): 100853020

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 281, 359, 430, 562, 718, 860, 1124, 1405, 1436, 1795, 2810, 3590, 5620, 7180, 12083, 15437, 24166, 30874, 48332, 60415, 61748, 77185, 100879, 120830, 154370, 201758, 241660, 308740, 403516, 504395, 1008790, 2017580, 4337797, 8675594, 17351188, 21688985, 43377970, 86755940]

約数ペア:

[(1, 86755940), (2, 43377970), (4, 21688985), (5, 17351188), (10, 8675594), (20, 4337797), (43, 2017580), (86, 1008790), (172, 504395), (215, 403516), (281, 308740), (359, 241660), (430, 201758), (562, 154370), (718, 120830), (860, 100879), (1124, 77185), (1405, 61748), (1436, 60415), (1795, 48332), (2810, 30874), (3590, 24166), (5620, 15437), (7180, 12083)]