40163564

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 82736640

約数和(自身を除く): 42573076

約数列:

[1, 2, 4, 7, 14, 28, 71, 89, 142, 178, 227, 284, 356, 454, 497, 623, 908, 994, 1246, 1589, 1988, 2492, 3178, 6319, 6356, 12638, 16117, 20203, 25276, 32234, 40406, 44233, 64468, 80812, 88466, 112819, 141421, 176932, 225638, 282842, 451276, 565684, 1434413, 2868826, 5737652, 10040891, 20081782, 40163564]

約数ペア:

[(1, 40163564), (2, 20081782), (4, 10040891), (7, 5737652), (14, 2868826), (28, 1434413), (71, 565684), (89, 451276), (142, 282842), (178, 225638), (227, 176932), (284, 141421), (356, 112819), (454, 88466), (497, 80812), (623, 64468), (908, 44233), (994, 40406), (1246, 32234), (1589, 25276), (1988, 20203), (2492, 16117), (3178, 12638), (6319, 6356)]