77881120

素因数分解:

$2^5\times 5^1\times {\mathrm{486757}}^1$

素因数の和:486772

約数の個数: 24

約数和(自身を含む): 183994524

約数和(自身を除く): 106113404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 486757, 973514, 1947028, 2433785, 3894056, 4867570, 7788112, 9735140, 15576224, 19470280, 38940560, 77881120]

約数ペア:

[(1, 77881120), (2, 38940560), (4, 19470280), (5, 15576224), (8, 9735140), (10, 7788112), (16, 4867570), (20, 3894056), (32, 2433785), (40, 1947028), (80, 973514), (160, 486757)]