86435680

素因数分解:

$2^5\times 5^1\times {\mathrm{593}}^1\times {\mathrm{911}}^1$

素因数の和:1519

約数の個数: 48

約数和(自身を含む): 204773184

約数和(自身を除く): 118337504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 593, 911, 1186, 1822, 2372, 2965, 3644, 4555, 4744, 5930, 7288, 9110, 9488, 11860, 14576, 18220, 18976, 23720, 29152, 36440, 47440, 72880, 94880, 145760, 540223, 1080446, 2160892, 2701115, 4321784, 5402230, 8643568, 10804460, 17287136, 21608920, 43217840, 86435680]

約数ペア:

[(1, 86435680), (2, 43217840), (4, 21608920), (5, 17287136), (8, 10804460), (10, 8643568), (16, 5402230), (20, 4321784), (32, 2701115), (40, 2160892), (80, 1080446), (160, 540223), (593, 145760), (911, 94880), (1186, 72880), (1822, 47440), (2372, 36440), (2965, 29152), (3644, 23720), (4555, 18976), (4744, 18220), (5930, 14576), (7288, 11860), (9110, 9488)]