22880680

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1303}}^1$

素因数の和:1753

約数の個数: 32

約数和(自身を含む): 51638400

約数和(自身を除く): 28757720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1303, 1756, 2195, 2606, 3512, 4390, 5212, 6515, 8780, 10424, 13030, 17560, 26060, 52120, 572017, 1144034, 2288068, 2860085, 4576136, 5720170, 11440340, 22880680]

約数ペア:

[(1, 22880680), (2, 11440340), (4, 5720170), (5, 4576136), (8, 2860085), (10, 2288068), (20, 1144034), (40, 572017), (439, 52120), (878, 26060), (1303, 17560), (1756, 13030), (2195, 10424), (2606, 8780), (3512, 6515), (4390, 5212)]