13268120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3727}}^1$

素因数の和:3827

約数の個数: 32

約数和(自身を含む): 30196800

約数和(自身を除く): 16928680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3727, 7454, 14908, 18635, 29816, 37270, 74540, 149080, 331703, 663406, 1326812, 1658515, 2653624, 3317030, 6634060, 13268120]

約数ペア:

[(1, 13268120), (2, 6634060), (4, 3317030), (5, 2653624), (8, 1658515), (10, 1326812), (20, 663406), (40, 331703), (89, 149080), (178, 74540), (356, 37270), (445, 29816), (712, 18635), (890, 14908), (1780, 7454), (3560, 3727)]