779120

素因数分解:

$2^4\times 5^1\times {\mathrm{9739}}^1$

素因数の和:9752

約数の個数: 20

約数和(自身を含む): 1811640

約数和(自身を除く): 1032520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9739, 19478, 38956, 48695, 77912, 97390, 155824, 194780, 389560, 779120]

約数ペア:

[(1, 779120), (2, 389560), (4, 194780), (5, 155824), (8, 97390), (10, 77912), (16, 48695), (20, 38956), (40, 19478), (80, 9739)]