40837780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28759}}^1$

素因数の和:28839

約数の個数: 24

約数和(自身を含む): 86970240

約数和(自身を除く): 46132460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28759, 57518, 115036, 143795, 287590, 575180, 2041889, 4083778, 8167556, 10209445, 20418890, 40837780]

約数ペア:

[(1, 40837780), (2, 20418890), (4, 10209445), (5, 8167556), (10, 4083778), (20, 2041889), (71, 575180), (142, 287590), (284, 143795), (355, 115036), (710, 57518), (1420, 28759)]