23121080

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5303}}^1$

素因数の和:5423

約数の個数: 32

約数和(自身を含む): 52509600

約数和(自身を除く): 29388520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5303, 10606, 21212, 26515, 42424, 53030, 106060, 212120, 578027, 1156054, 2312108, 2890135, 4624216, 5780270, 11560540, 23121080]

約数ペア:

[(1, 23121080), (2, 11560540), (4, 5780270), (5, 4624216), (8, 2890135), (10, 2312108), (20, 1156054), (40, 578027), (109, 212120), (218, 106060), (436, 53030), (545, 42424), (872, 26515), (1090, 21212), (2180, 10606), (4360, 5303)]