40781690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{809}}^1$

素因数の和:958

約数の個数: 24

約数和(自身を含む): 74547540

約数和(自身を除く): 33765850

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 809, 1618, 4045, 5041, 8090, 10082, 25205, 50410, 57439, 114878, 287195, 574390, 4078169, 8156338, 20390845, 40781690]

約数ペア:

[(1, 40781690), (2, 20390845), (5, 8156338), (10, 4078169), (71, 574390), (142, 287195), (355, 114878), (710, 57439), (809, 50410), (1618, 25205), (4045, 10082), (5041, 8090)]