2043996880

素因数分解:

$2^4\times 5^1\times {\mathrm{25549961}}^1$

素因数の和:25549974

約数の個数: 20

約数和(自身を含む): 4752292932

約数和(自身を除く): 2708296052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25549961, 51099922, 102199844, 127749805, 204399688, 255499610, 408799376, 510999220, 1021998440, 2043996880]

約数ペア:

[(1, 2043996880), (2, 1021998440), (4, 510999220), (5, 408799376), (8, 255499610), (10, 204399688), (16, 127749805), (20, 102199844), (40, 51099922), (80, 25549961)]