40346320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72047}}^1$

素因数の和:72067

約数の個数: 40

約数和(自身を含む): 107207424

約数和(自身を除く): 66861104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72047, 144094, 288188, 360235, 504329, 576376, 720470, 1008658, 1152752, 1440940, 2017316, 2521645, 2881880, 4034632, 5043290, 5763760, 8069264, 10086580, 20173160, 40346320]

約数ペア:

[(1, 40346320), (2, 20173160), (4, 10086580), (5, 8069264), (7, 5763760), (8, 5043290), (10, 4034632), (14, 2881880), (16, 2521645), (20, 2017316), (28, 1440940), (35, 1152752), (40, 1008658), (56, 720470), (70, 576376), (80, 504329), (112, 360235), (140, 288188), (280, 144094), (560, 72047)]