81025568

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 181988352

約数和(自身を除く): 100962784

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 61, 62, 103, 104, 122, 124, 206, 208, 244, 248, 403, 412, 416, 488, 496, 793, 806, 824, 976, 992, 1339, 1586, 1612, 1648, 1891, 1952, 2678, 3172, 3193, 3224, 3296, 3782, 5356, 6283, 6344, 6386, 6448, 7564, 10712, 12566, 12688, 12772, 12896, 15128, 21424, 24583, 25132, 25376, 25544, 30256, 41509, 42848, 49166, 50264, 51088, 60512, 81679, 83018, 98332, 100528, 102176, 163358, 166036, 194773, 196664, 201056, 326716, 332072, 389546, 393328, 653432, 664144, 779092, 786656, 1306864, 1328288, 1558184, 2532049, 2613728, 3116368, 5064098, 6232736, 10128196, 20256392, 40512784, 81025568]

約数ペア:

[(1, 81025568), (2, 40512784), (4, 20256392), (8, 10128196), (13, 6232736), (16, 5064098), (26, 3116368), (31, 2613728), (32, 2532049), (52, 1558184), (61, 1328288), (62, 1306864), (103, 786656), (104, 779092), (122, 664144), (124, 653432), (206, 393328), (208, 389546), (244, 332072), (248, 326716), (403, 201056), (412, 196664), (416, 194773), (488, 166036), (496, 163358), (793, 102176), (806, 100528), (824, 98332), (976, 83018), (992, 81679), (1339, 60512), (1586, 51088), (1612, 50264), (1648, 49166), (1891, 42848), (1952, 41509), (2678, 30256), (3172, 25544), (3193, 25376), (3224, 25132), (3296, 24583), (3782, 21424), (5356, 15128), (6283, 12896), (6344, 12772), (6386, 12688), (6448, 12566), (7564, 10712)]