158782160

素因数分解:

$2^4\times 5^1\times {\mathrm{1984777}}^1$

素因数の和:1984790

約数の個数: 20

約数和(自身を含む): 369168708

約数和(自身を除く): 210386548

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1984777, 3969554, 7939108, 9923885, 15878216, 19847770, 31756432, 39695540, 79391080, 158782160]

約数ペア:

[(1, 158782160), (2, 79391080), (4, 39695540), (5, 31756432), (8, 19847770), (10, 15878216), (16, 9923885), (20, 7939108), (40, 3969554), (80, 1984777)]