40393976

素因数分解:

$2^3\times 7^1\times {\mathrm{721321}}^1$

素因数の和:721334

約数の個数: 16

約数和(自身を含む): 86558640

約数和(自身を除く): 46164664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 721321, 1442642, 2885284, 5049247, 5770568, 10098494, 20196988, 40393976]

約数ペア:

[(1, 40393976), (2, 20196988), (4, 10098494), (7, 5770568), (8, 5049247), (14, 2885284), (28, 1442642), (56, 721321)]