7664680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2153}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 17447400

約数和(自身を除く): 9782720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2153, 3560, 4306, 8612, 10765, 17224, 21530, 43060, 86120, 191617, 383234, 766468, 958085, 1532936, 1916170, 3832340, 7664680]

約数ペア:

[(1, 7664680), (2, 3832340), (4, 1916170), (5, 1532936), (8, 958085), (10, 766468), (20, 383234), (40, 191617), (89, 86120), (178, 43060), (356, 21530), (445, 17224), (712, 10765), (890, 8612), (1780, 4306), (2153, 3560)]