713681680

素因数分解:

$2^4\times 5^1\times {\mathrm{8921021}}^1$

素因数の和:8921034

約数の個数: 20

約数和(自身を含む): 1659310092

約数和(自身を除く): 945628412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8921021, 17842042, 35684084, 44605105, 71368168, 89210210, 142736336, 178420420, 356840840, 713681680]

約数ペア:

[(1, 713681680), (2, 356840840), (4, 178420420), (5, 142736336), (8, 89210210), (10, 71368168), (16, 44605105), (20, 35684084), (40, 17842042), (80, 8921021)]