31331980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{68113}}^1$

素因数の和:68145

約数の個数: 24

約数和(自身を含む): 68658912

約数和(自身を除く): 37326932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 68113, 136226, 272452, 340565, 681130, 1362260, 1566599, 3133198, 6266396, 7832995, 15665990, 31331980]

約数ペア:

[(1, 31331980), (2, 15665990), (4, 7832995), (5, 6266396), (10, 3133198), (20, 1566599), (23, 1362260), (46, 681130), (92, 340565), (115, 272452), (230, 136226), (460, 68113)]