40721456

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{13187}}^1$

素因数の和:13388

約数の個数: 20

約数和(自身を含む): 79312632

約数和(自身を除く): 38591176

約数列:

[1, 2, 4, 8, 16, 193, 386, 772, 1544, 3088, 13187, 26374, 52748, 105496, 210992, 2545091, 5090182, 10180364, 20360728, 40721456]

約数ペア:

[(1, 40721456), (2, 20360728), (4, 10180364), (8, 5090182), (16, 2545091), (193, 210992), (386, 105496), (772, 52748), (1544, 26374), (3088, 13187)]