31571080

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5227}}^1$

素因数の和:5389

約数の個数: 32

約数和(自身を含む): 71519040

約数和(自身を除く): 39947960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 5227, 6040, 10454, 20908, 26135, 41816, 52270, 104540, 209080, 789277, 1578554, 3157108, 3946385, 6314216, 7892770, 15785540, 31571080]

約数ペア:

[(1, 31571080), (2, 15785540), (4, 7892770), (5, 6314216), (8, 3946385), (10, 3157108), (20, 1578554), (40, 789277), (151, 209080), (302, 104540), (604, 52270), (755, 41816), (1208, 26135), (1510, 20908), (3020, 10454), (5227, 6040)]