31116080

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3851}}^1$

素因数の和:3965

約数の個数: 40

約数和(自身を含む): 73080144

約数和(自身を除く): 41964064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 3851, 4040, 7702, 8080, 15404, 19255, 30808, 38510, 61616, 77020, 154040, 308080, 388951, 777902, 1555804, 1944755, 3111608, 3889510, 6223216, 7779020, 15558040, 31116080]

約数ペア:

[(1, 31116080), (2, 15558040), (4, 7779020), (5, 6223216), (8, 3889510), (10, 3111608), (16, 1944755), (20, 1555804), (40, 777902), (80, 388951), (101, 308080), (202, 154040), (404, 77020), (505, 61616), (808, 38510), (1010, 30808), (1616, 19255), (2020, 15404), (3851, 8080), (4040, 7702)]