80606656

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 112

約数和(自身を含む): 188183520

約数和(自身を除く): 107576864

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 41, 52, 64, 68, 82, 104, 136, 139, 164, 208, 221, 272, 278, 328, 416, 442, 533, 544, 556, 656, 697, 832, 884, 1066, 1088, 1112, 1312, 1394, 1768, 1807, 2132, 2224, 2363, 2624, 2788, 3536, 3614, 4264, 4448, 4726, 5576, 5699, 7072, 7228, 8528, 8896, 9061, 9452, 11152, 11398, 14144, 14456, 17056, 18122, 18904, 22304, 22796, 28912, 30719, 34112, 36244, 37808, 44608, 45592, 57824, 61438, 72488, 74087, 75616, 91184, 96883, 115648, 122876, 144976, 148174, 151232, 182368, 193766, 245752, 289952, 296348, 364736, 387532, 491504, 579904, 592696, 775064, 983008, 1185392, 1259479, 1550128, 1966016, 2370784, 2518958, 3100256, 4741568, 5037916, 6200512, 10075832, 20151664, 40303328, 80606656]

約数ペア:

[(1, 80606656), (2, 40303328), (4, 20151664), (8, 10075832), (13, 6200512), (16, 5037916), (17, 4741568), (26, 3100256), (32, 2518958), (34, 2370784), (41, 1966016), (52, 1550128), (64, 1259479), (68, 1185392), (82, 983008), (104, 775064), (136, 592696), (139, 579904), (164, 491504), (208, 387532), (221, 364736), (272, 296348), (278, 289952), (328, 245752), (416, 193766), (442, 182368), (533, 151232), (544, 148174), (556, 144976), (656, 122876), (697, 115648), (832, 96883), (884, 91184), (1066, 75616), (1088, 74087), (1112, 72488), (1312, 61438), (1394, 57824), (1768, 45592), (1807, 44608), (2132, 37808), (2224, 36244), (2363, 34112), (2624, 30719), (2788, 28912), (3536, 22796), (3614, 22304), (4264, 18904), (4448, 18122), (4726, 17056), (5576, 14456), (5699, 14144), (7072, 11398), (7228, 11152), (8528, 9452), (8896, 9061)]