31586020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14489}}^1$

素因数の和:14607

約数の個数: 24

約数和(自身を含む): 66943800

約数和(自身を除く): 35357780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14489, 28978, 57956, 72445, 144890, 289780, 1579301, 3158602, 6317204, 7896505, 15793010, 31586020]

約数ペア:

[(1, 31586020), (2, 15793010), (4, 7896505), (5, 6317204), (10, 3158602), (20, 1579301), (109, 289780), (218, 144890), (436, 72445), (545, 57956), (1090, 28978), (2180, 14489)]