77738680

素因数分解:

$2^3\times 5^1\times {\mathrm{1943467}}^1$

素因数の和:1943478

約数の個数: 16

約数和(自身を含む): 174912120

約数和(自身を除く): 97173440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1943467, 3886934, 7773868, 9717335, 15547736, 19434670, 38869340, 77738680]

約数ペア:

[(1, 77738680), (2, 38869340), (4, 19434670), (5, 15547736), (8, 9717335), (10, 7773868), (20, 3886934), (40, 1943467)]