86427580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2879}}^1$

素因数の和:2986

約数の個数: 48

約数和(自身を含む): 193536000

約数和(自身を除く): 107108420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 2879, 3002, 5758, 6004, 7505, 11516, 14395, 15010, 28790, 30020, 54701, 57580, 109402, 218804, 227441, 273505, 454882, 547010, 909764, 1094020, 1137205, 2274410, 4321379, 4548820, 8642758, 17285516, 21606895, 43213790, 86427580]

約数ペア:

[(1, 86427580), (2, 43213790), (4, 21606895), (5, 17285516), (10, 8642758), (19, 4548820), (20, 4321379), (38, 2274410), (76, 1137205), (79, 1094020), (95, 909764), (158, 547010), (190, 454882), (316, 273505), (380, 227441), (395, 218804), (790, 109402), (1501, 57580), (1580, 54701), (2879, 30020), (3002, 28790), (5758, 15010), (6004, 14395), (7505, 11516)]