1255361680

素因数分解:

$2^4\times 5^1\times {\mathrm{15692021}}^1$

素因数の和:15692034

約数の個数: 20

約数和(自身を含む): 2918716092

約数和(自身を除く): 1663354412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15692021, 31384042, 62768084, 78460105, 125536168, 156920210, 251072336, 313840420, 627680840, 1255361680]

約数ペア:

[(1, 1255361680), (2, 627680840), (4, 313840420), (5, 251072336), (8, 156920210), (10, 125536168), (16, 78460105), (20, 62768084), (40, 31384042), (80, 15692021)]