8241760

素因数分解:

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

素因数の和:51526

約数の個数: 24

約数和(自身を含む): 19471536

約数和(自身を除く): 11229776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 51511, 103022, 206044, 257555, 412088, 515110, 824176, 1030220, 1648352, 2060440, 4120880, 8241760]

約数ペア:

[(1, 8241760), (2, 4120880), (4, 2060440), (5, 1648352), (8, 1030220), (10, 824176), (16, 515110), (20, 412088), (32, 257555), (40, 206044), (80, 103022), (160, 51511)]