28431460

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1303}}^1$

素因数の和:2403

約数の個数: 24

約数和(自身を含む): 59806656

約数和(自身を除く): 31375196

約数列:

[1, 2, 4, 5, 10, 20, 1091, 1303, 2182, 2606, 4364, 5212, 5455, 6515, 10910, 13030, 21820, 26060, 1421573, 2843146, 5686292, 7107865, 14215730, 28431460]

約数ペア:

[(1, 28431460), (2, 14215730), (4, 7107865), (5, 5686292), (10, 2843146), (20, 1421573), (1091, 26060), (1303, 21820), (2182, 13030), (2606, 10910), (4364, 6515), (5212, 5455)]