10440020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4789}}^1$

素因数の和:4907

約数の個数: 24

約数和(自身を含む): 22129800

約数和(自身を除く): 11689780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 4789, 9578, 19156, 23945, 47890, 95780, 522001, 1044002, 2088004, 2610005, 5220010, 10440020]

約数ペア:

[(1, 10440020), (2, 5220010), (4, 2610005), (5, 2088004), (10, 1044002), (20, 522001), (109, 95780), (218, 47890), (436, 23945), (545, 19156), (1090, 9578), (2180, 4789)]