40098640

素因数分解:

$2^4\times 5^1\times {\mathrm{501233}}^1$

素因数の和:501246

約数の個数: 20

約数和(自身を含む): 93229524

約数和(自身を除く): 53130884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501233, 1002466, 2004932, 2506165, 4009864, 5012330, 8019728, 10024660, 20049320, 40098640]

約数ペア:

[(1, 40098640), (2, 20049320), (4, 10024660), (5, 8019728), (8, 5012330), (10, 4009864), (16, 2506165), (20, 2004932), (40, 1002466), (80, 501233)]