84490640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{593}}^1$

素因数の和:756

約数の個数: 80

約数和(自身を含む): 213455088

約数和(自身を除く): 128964448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 137, 208, 260, 274, 520, 548, 593, 685, 1040, 1096, 1186, 1370, 1781, 2192, 2372, 2740, 2965, 3562, 4744, 5480, 5930, 7124, 7709, 8905, 9488, 10960, 11860, 14248, 15418, 17810, 23720, 28496, 30836, 35620, 38545, 47440, 61672, 71240, 77090, 81241, 123344, 142480, 154180, 162482, 308360, 324964, 406205, 616720, 649928, 812410, 1056133, 1299856, 1624820, 2112266, 3249640, 4224532, 5280665, 6499280, 8449064, 10561330, 16898128, 21122660, 42245320, 84490640]

約数ペア:

[(1, 84490640), (2, 42245320), (4, 21122660), (5, 16898128), (8, 10561330), (10, 8449064), (13, 6499280), (16, 5280665), (20, 4224532), (26, 3249640), (40, 2112266), (52, 1624820), (65, 1299856), (80, 1056133), (104, 812410), (130, 649928), (137, 616720), (208, 406205), (260, 324964), (274, 308360), (520, 162482), (548, 154180), (593, 142480), (685, 123344), (1040, 81241), (1096, 77090), (1186, 71240), (1370, 61672), (1781, 47440), (2192, 38545), (2372, 35620), (2740, 30836), (2965, 28496), (3562, 23720), (4744, 17810), (5480, 15418), (5930, 14248), (7124, 11860), (7709, 10960), (8905, 9488)]