40978040

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4513}}^1$

素因数の和:4751

約数の個数: 32

約数和(自身を含む): 92627280

約数和(自身を除く): 51649240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4513, 4540, 9026, 9080, 18052, 22565, 36104, 45130, 90260, 180520, 1024451, 2048902, 4097804, 5122255, 8195608, 10244510, 20489020, 40978040]

約数ペア:

[(1, 40978040), (2, 20489020), (4, 10244510), (5, 8195608), (8, 5122255), (10, 4097804), (20, 2048902), (40, 1024451), (227, 180520), (454, 90260), (908, 45130), (1135, 36104), (1816, 22565), (2270, 18052), (4513, 9080), (4540, 9026)]