4120880

素因数分解:

$2^4\times 5^1\times {\mathrm{51511}}^1$

素因数の和:51524

約数の個数: 20

約数和(自身を含む): 9581232

約数和(自身を除く): 5460352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51511, 103022, 206044, 257555, 412088, 515110, 824176, 1030220, 2060440, 4120880]

約数ペア:

[(1, 4120880), (2, 2060440), (4, 1030220), (5, 824176), (8, 515110), (10, 412088), (16, 257555), (20, 206044), (40, 103022), (80, 51511)]