40415648

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13879}}^1$

素因数の和:13909

約数の個数: 48

約数和(自身を含む): 97937280

約数和(自身を除く): 57521632

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 13879, 27758, 55516, 97153, 111032, 180427, 194306, 222064, 360854, 388612, 444128, 721708, 777224, 1262989, 1443416, 1554448, 2525978, 2886832, 3108896, 5051956, 5773664, 10103912, 20207824, 40415648]

約数ペア:

[(1, 40415648), (2, 20207824), (4, 10103912), (7, 5773664), (8, 5051956), (13, 3108896), (14, 2886832), (16, 2525978), (26, 1554448), (28, 1443416), (32, 1262989), (52, 777224), (56, 721708), (91, 444128), (104, 388612), (112, 360854), (182, 222064), (208, 194306), (224, 180427), (364, 111032), (416, 97153), (728, 55516), (1456, 27758), (2912, 13879)]