77130440

素因数分解:

$2^3\times 5^1\times {\mathrm{1928261}}^1$

素因数の和:1928272

約数の個数: 16

約数和(自身を含む): 173543580

約数和(自身を除く): 96413140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1928261, 3856522, 7713044, 9641305, 15426088, 19282610, 38565220, 77130440]

約数ペア:

[(1, 77130440), (2, 38565220), (4, 19282610), (5, 15426088), (8, 9641305), (10, 7713044), (20, 3856522), (40, 1928261)]