28492460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16007}}^1$

素因数の和:16105

約数の個数: 24

約数和(自身を含む): 60510240

約数和(自身を除く): 32017780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16007, 32014, 64028, 80035, 160070, 320140, 1424623, 2849246, 5698492, 7123115, 14246230, 28492460]

約数ペア:

[(1, 28492460), (2, 14246230), (4, 7123115), (5, 5698492), (10, 2849246), (20, 1424623), (89, 320140), (178, 160070), (356, 80035), (445, 64028), (890, 32014), (1780, 16007)]