8760820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 19248768

約数和(自身を除く): 10487948

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 167, 172, 215, 244, 305, 334, 430, 610, 668, 835, 860, 1220, 1670, 2623, 3340, 5246, 7181, 10187, 10492, 13115, 14362, 20374, 26230, 28724, 35905, 40748, 50935, 52460, 71810, 101870, 143620, 203740, 438041, 876082, 1752164, 2190205, 4380410, 8760820]

約数ペア:

[(1, 8760820), (2, 4380410), (4, 2190205), (5, 1752164), (10, 876082), (20, 438041), (43, 203740), (61, 143620), (86, 101870), (122, 71810), (167, 52460), (172, 50935), (215, 40748), (244, 35905), (305, 28724), (334, 26230), (430, 20374), (610, 14362), (668, 13115), (835, 10492), (860, 10187), (1220, 7181), (1670, 5246), (2623, 3340)]