80312680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{286831}}^1$

素因数の和:286849

約数の個数: 32

約数和(自身を含む): 206519040

約数和(自身を除く): 126206360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 286831, 573662, 1147324, 1434155, 2007817, 2294648, 2868310, 4015634, 5736620, 8031268, 10039085, 11473240, 16062536, 20078170, 40156340, 80312680]

約数ペア:

[(1, 80312680), (2, 40156340), (4, 20078170), (5, 16062536), (7, 11473240), (8, 10039085), (10, 8031268), (14, 5736620), (20, 4015634), (28, 2868310), (35, 2294648), (40, 2007817), (56, 1434155), (70, 1147324), (140, 573662), (280, 286831)]