2106691640

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{315373}}^1$

素因数の和:315551

約数の個数: 32

約数和(自身を含む): 4768454880

約数和(自身を除く): 2661763240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 315373, 630746, 1261492, 1576865, 2522984, 3153730, 6307460, 12614920, 52667291, 105334582, 210669164, 263336455, 421338328, 526672910, 1053345820, 2106691640]

約数ペア:

[(1, 2106691640), (2, 1053345820), (4, 526672910), (5, 421338328), (8, 263336455), (10, 210669164), (20, 105334582), (40, 52667291), (167, 12614920), (334, 6307460), (668, 3153730), (835, 2522984), (1336, 1576865), (1670, 1261492), (3340, 630746), (6680, 315373)]