7138469680

素因数分解:

$2^4\times 5^1\times {\mathrm{89230871}}^1$

素因数の和:89230884

約数の個数: 20

約数和(自身を含む): 16596942192

約数和(自身を除く): 9458472512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89230871, 178461742, 356923484, 446154355, 713846968, 892308710, 1427693936, 1784617420, 3569234840, 7138469680]

約数ペア:

[(1, 7138469680), (2, 3569234840), (4, 1784617420), (5, 1427693936), (8, 892308710), (10, 713846968), (16, 446154355), (20, 356923484), (40, 178461742), (80, 89230871)]