11345980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 24837120

約数和(自身を除く): 13491140

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 167, 172, 215, 316, 334, 395, 430, 668, 790, 835, 860, 1580, 1670, 3340, 3397, 6794, 7181, 13193, 13588, 14362, 16985, 26386, 28724, 33970, 35905, 52772, 65965, 67940, 71810, 131930, 143620, 263860, 567299, 1134598, 2269196, 2836495, 5672990, 11345980]

約数ペア:

[(1, 11345980), (2, 5672990), (4, 2836495), (5, 2269196), (10, 1134598), (20, 567299), (43, 263860), (79, 143620), (86, 131930), (158, 71810), (167, 67940), (172, 65965), (215, 52772), (316, 35905), (334, 33970), (395, 28724), (430, 26386), (668, 16985), (790, 14362), (835, 13588), (860, 13193), (1580, 7181), (1670, 6794), (3340, 3397)]