40512784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 89549824

約数和(自身を除く): 49037040

約数列:

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

約数ペア:

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