31813240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7433}}^1$

素因数の和:7551

約数の個数: 32

約数和(自身を含む): 72258480

約数和(自身を除く): 40445240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 7433, 14866, 29732, 37165, 59464, 74330, 148660, 297320, 795331, 1590662, 3181324, 3976655, 6362648, 7953310, 15906620, 31813240]

約数ペア:

[(1, 31813240), (2, 15906620), (4, 7953310), (5, 6362648), (8, 3976655), (10, 3181324), (20, 1590662), (40, 795331), (107, 297320), (214, 148660), (428, 74330), (535, 59464), (856, 37165), (1070, 29732), (2140, 14866), (4280, 7433)]