88881860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{571}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 192384192

約数和(自身を除く): 103502332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 362, 430, 571, 724, 860, 905, 1142, 1810, 2284, 2855, 3620, 5710, 7783, 11420, 15566, 24553, 31132, 38915, 49106, 77830, 98212, 103351, 122765, 155660, 206702, 245530, 413404, 491060, 516755, 1033510, 2067020, 4444093, 8888186, 17776372, 22220465, 44440930, 88881860]

約数ペア:

[(1, 88881860), (2, 44440930), (4, 22220465), (5, 17776372), (10, 8888186), (20, 4444093), (43, 2067020), (86, 1033510), (172, 516755), (181, 491060), (215, 413404), (362, 245530), (430, 206702), (571, 155660), (724, 122765), (860, 103351), (905, 98212), (1142, 77830), (1810, 49106), (2284, 38915), (2855, 31132), (3620, 24553), (5710, 15566), (7783, 11420)]