40881316

素因数分解:

$2^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2557}}^1$

素因数の和:3139

約数の個数: 24

約数和(自身を含む): 81937856

約数和(自身を除く): 41056540

約数列:

[1, 2, 4, 7, 14, 28, 571, 1142, 2284, 2557, 3997, 5114, 7994, 10228, 15988, 17899, 35798, 71596, 1460047, 2920094, 5840188, 10220329, 20440658, 40881316]

約数ペア:

[(1, 40881316), (2, 20440658), (4, 10220329), (7, 5840188), (14, 2920094), (28, 1460047), (571, 71596), (1142, 35798), (2284, 17899), (2557, 15988), (3997, 10228), (5114, 7994)]