80251808

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 205922304

約数和(自身を除く): 125670496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 91, 98, 104, 112, 124, 127, 182, 196, 208, 217, 224, 248, 254, 364, 392, 403, 416, 434, 496, 508, 637, 728, 784, 806, 868, 889, 992, 1016, 1274, 1456, 1519, 1568, 1612, 1651, 1736, 1778, 2032, 2548, 2821, 2912, 3038, 3224, 3302, 3472, 3556, 3937, 4064, 5096, 5642, 6076, 6223, 6448, 6604, 6944, 7112, 7874, 10192, 11284, 11557, 12152, 12446, 12896, 13208, 14224, 15748, 19747, 20384, 22568, 23114, 24304, 24892, 26416, 27559, 28448, 31496, 39494, 45136, 46228, 48608, 49784, 51181, 52832, 55118, 62992, 78988, 80899, 90272, 92456, 99568, 102362, 110236, 125984, 157976, 161798, 184912, 192913, 199136, 204724, 220472, 315952, 323596, 358267, 369824, 385826, 409448, 440944, 631904, 647192, 716534, 771652, 818896, 881888, 1294384, 1433068, 1543304, 1637792, 2507869, 2588768, 2866136, 3086608, 5015738, 5732272, 6173216, 10031476, 11464544, 20062952, 40125904, 80251808]

約数ペア:

[(1, 80251808), (2, 40125904), (4, 20062952), (7, 11464544), (8, 10031476), (13, 6173216), (14, 5732272), (16, 5015738), (26, 3086608), (28, 2866136), (31, 2588768), (32, 2507869), (49, 1637792), (52, 1543304), (56, 1433068), (62, 1294384), (91, 881888), (98, 818896), (104, 771652), (112, 716534), (124, 647192), (127, 631904), (182, 440944), (196, 409448), (208, 385826), (217, 369824), (224, 358267), (248, 323596), (254, 315952), (364, 220472), (392, 204724), (403, 199136), (416, 192913), (434, 184912), (496, 161798), (508, 157976), (637, 125984), (728, 110236), (784, 102362), (806, 99568), (868, 92456), (889, 90272), (992, 80899), (1016, 78988), (1274, 62992), (1456, 55118), (1519, 52832), (1568, 51181), (1612, 49784), (1651, 48608), (1736, 46228), (1778, 45136), (2032, 39494), (2548, 31496), (2821, 28448), (2912, 27559), (3038, 26416), (3224, 24892), (3302, 24304), (3472, 23114), (3556, 22568), (3937, 20384), (4064, 19747), (5096, 15748), (5642, 14224), (6076, 13208), (6223, 12896), (6448, 12446), (6604, 12152), (6944, 11557), (7112, 11284), (7874, 10192)]