19768400

素因数分解:

$2^4\times 5^2\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:768

約数の個数: 60

約数和(自身を含む): 48215292

約数和(自身を除く): 28446892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 73, 80, 100, 146, 200, 292, 365, 400, 584, 677, 730, 1168, 1354, 1460, 1825, 2708, 2920, 3385, 3650, 5416, 5840, 6770, 7300, 10832, 13540, 14600, 16925, 27080, 29200, 33850, 49421, 54160, 67700, 98842, 135400, 197684, 247105, 270800, 395368, 494210, 790736, 988420, 1235525, 1976840, 2471050, 3953680, 4942100, 9884200, 19768400]

約数ペア:

[(1, 19768400), (2, 9884200), (4, 4942100), (5, 3953680), (8, 2471050), (10, 1976840), (16, 1235525), (20, 988420), (25, 790736), (40, 494210), (50, 395368), (73, 270800), (80, 247105), (100, 197684), (146, 135400), (200, 98842), (292, 67700), (365, 54160), (400, 49421), (584, 33850), (677, 29200), (730, 27080), (1168, 16925), (1354, 14600), (1460, 13540), (1825, 10832), (2708, 7300), (2920, 6770), (3385, 5840), (3650, 5416)]