207681680

素因数分解:

$2^4\times 5^1\times {\mathrm{2596021}}^1$

素因数の和:2596034

約数の個数: 20

約数和(自身を含む): 482860092

約数和(自身を除く): 275178412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2596021, 5192042, 10384084, 12980105, 20768168, 25960210, 41536336, 51920420, 103840840, 207681680]

約数ペア:

[(1, 207681680), (2, 103840840), (4, 51920420), (5, 41536336), (8, 25960210), (10, 20768168), (16, 12980105), (20, 10384084), (40, 5192042), (80, 2596021)]