7842680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2203}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 17852400

約数和(自身を除く): 10009720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2203, 3560, 4406, 8812, 11015, 17624, 22030, 44060, 88120, 196067, 392134, 784268, 980335, 1568536, 1960670, 3921340, 7842680]

約数ペア:

[(1, 7842680), (2, 3921340), (4, 1960670), (5, 1568536), (8, 980335), (10, 784268), (20, 392134), (40, 196067), (89, 88120), (178, 44060), (356, 22030), (445, 17624), (712, 11015), (890, 8812), (1780, 4406), (2203, 3560)]