12998560

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 30985416

約数和(自身を除く): 17986856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 593, 685, 1096, 1186, 1370, 2192, 2372, 2740, 2965, 4384, 4744, 5480, 5930, 9488, 10960, 11860, 18976, 21920, 23720, 47440, 81241, 94880, 162482, 324964, 406205, 649928, 812410, 1299856, 1624820, 2599712, 3249640, 6499280, 12998560]

約数ペア:

[(1, 12998560), (2, 6499280), (4, 3249640), (5, 2599712), (8, 1624820), (10, 1299856), (16, 812410), (20, 649928), (32, 406205), (40, 324964), (80, 162482), (137, 94880), (160, 81241), (274, 47440), (548, 23720), (593, 21920), (685, 18976), (1096, 11860), (1186, 10960), (1370, 9488), (2192, 5930), (2372, 5480), (2740, 4744), (2965, 4384)]