65484560

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1277}}^1$

素因数の和:1931

約数の個数: 40

約数和(自身を含む): 152608536

約数和(自身を除く): 87123976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1277, 1282, 2554, 2564, 3205, 5108, 5128, 6385, 6410, 10216, 10256, 12770, 12820, 20432, 25540, 25640, 51080, 51280, 102160, 818557, 1637114, 3274228, 4092785, 6548456, 8185570, 13096912, 16371140, 32742280, 65484560]

約数ペア:

[(1, 65484560), (2, 32742280), (4, 16371140), (5, 13096912), (8, 8185570), (10, 6548456), (16, 4092785), (20, 3274228), (40, 1637114), (80, 818557), (641, 102160), (1277, 51280), (1282, 51080), (2554, 25640), (2564, 25540), (3205, 20432), (5108, 12820), (5128, 12770), (6385, 10256), (6410, 10216)]