38129780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 89926200

約数和(自身を除く): 51796420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 389, 580, 676, 754, 778, 845, 1508, 1556, 1690, 1885, 1945, 3380, 3770, 3890, 4901, 5057, 7540, 7780, 9802, 10114, 11281, 19604, 20228, 22562, 24505, 25285, 45124, 49010, 50570, 56405, 65741, 98020, 101140, 112810, 131482, 146653, 225620, 262964, 293306, 328705, 586612, 657410, 733265, 1314820, 1466530, 1906489, 2933060, 3812978, 7625956, 9532445, 19064890, 38129780]

約数ペア:

[(1, 38129780), (2, 19064890), (4, 9532445), (5, 7625956), (10, 3812978), (13, 2933060), (20, 1906489), (26, 1466530), (29, 1314820), (52, 733265), (58, 657410), (65, 586612), (116, 328705), (130, 293306), (145, 262964), (169, 225620), (260, 146653), (290, 131482), (338, 112810), (377, 101140), (389, 98020), (580, 65741), (676, 56405), (754, 50570), (778, 49010), (845, 45124), (1508, 25285), (1556, 24505), (1690, 22562), (1885, 20228), (1945, 19604), (3380, 11281), (3770, 10114), (3890, 9802), (4901, 7780), (5057, 7540)]