7130680

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2103

約数の個数: 32

約数和(自身を含む): 16232400

約数和(自身を除く): 9101720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2003, 3560, 4006, 8012, 10015, 16024, 20030, 40060, 80120, 178267, 356534, 713068, 891335, 1426136, 1782670, 3565340, 7130680]

約数ペア:

[(1, 7130680), (2, 3565340), (4, 1782670), (5, 1426136), (8, 891335), (10, 713068), (20, 356534), (40, 178267), (89, 80120), (178, 40060), (356, 20030), (445, 16024), (712, 10015), (890, 8012), (1780, 4006), (2003, 3560)]