12627320

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3547}}^1$

素因数の和:3647

約数の個数: 32

約数和(自身を含む): 28738800

約数和(自身を除く): 16111480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3547, 3560, 7094, 14188, 17735, 28376, 35470, 70940, 141880, 315683, 631366, 1262732, 1578415, 2525464, 3156830, 6313660, 12627320]

約数ペア:

[(1, 12627320), (2, 6313660), (4, 3156830), (5, 2525464), (8, 1578415), (10, 1262732), (20, 631366), (40, 315683), (89, 141880), (178, 70940), (356, 35470), (445, 28376), (712, 17735), (890, 14188), (1780, 7094), (3547, 3560)]