9001880

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{719}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 20347200

約数和(自身を除く): 11345320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 719, 1252, 1438, 1565, 2504, 2876, 3130, 3595, 5752, 6260, 7190, 12520, 14380, 28760, 225047, 450094, 900188, 1125235, 1800376, 2250470, 4500940, 9001880]

約数ペア:

[(1, 9001880), (2, 4500940), (4, 2250470), (5, 1800376), (8, 1125235), (10, 900188), (20, 450094), (40, 225047), (313, 28760), (626, 14380), (719, 12520), (1252, 7190), (1438, 6260), (1565, 5752), (2504, 3595), (2876, 3130)]