51706840

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2879}}^1$

素因数の和:3339

約数の個数: 32

約数和(自身を含む): 116640000

約数和(自身を除く): 64933160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 2879, 3592, 4490, 5758, 8980, 11516, 14395, 17960, 23032, 28790, 57580, 115160, 1292671, 2585342, 5170684, 6463355, 10341368, 12926710, 25853420, 51706840]

約数ペア:

[(1, 51706840), (2, 25853420), (4, 12926710), (5, 10341368), (8, 6463355), (10, 5170684), (20, 2585342), (40, 1292671), (449, 115160), (898, 57580), (1796, 28790), (2245, 23032), (2879, 17960), (3592, 14395), (4490, 11516), (5758, 8980)]