78596680

素因数分解:

$2^3\times 5^1\times {\mathrm{1964917}}^1$

素因数の和:1964928

約数の個数: 16

約数和(自身を含む): 176842620

約数和(自身を除く): 98245940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1964917, 3929834, 7859668, 9824585, 15719336, 19649170, 39298340, 78596680]

約数ペア:

[(1, 78596680), (2, 39298340), (4, 19649170), (5, 15719336), (8, 9824585), (10, 7859668), (20, 3929834), (40, 1964917)]