81490060

素因数分解:

$2^2\times 5^1\times {\mathrm{593}}^1\times {\mathrm{6871}}^1$

素因数の和:7473

約数の個数: 24

約数和(自身を含む): 171442656

約数和(自身を除く): 89952596

約数列:

[1, 2, 4, 5, 10, 20, 593, 1186, 2372, 2965, 5930, 6871, 11860, 13742, 27484, 34355, 68710, 137420, 4074503, 8149006, 16298012, 20372515, 40745030, 81490060]

約数ペア:

[(1, 81490060), (2, 40745030), (4, 20372515), (5, 16298012), (10, 8149006), (20, 4074503), (593, 137420), (1186, 68710), (2372, 34355), (2965, 27484), (5930, 13742), (6871, 11860)]