40720316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111869}}^1$

素因数の和:111893

約数の個数: 24

約数和(自身を含む): 87706080

約数和(自身を除く): 46985764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 111869, 223738, 447476, 783083, 1454297, 1566166, 2908594, 3132332, 5817188, 10180079, 20360158, 40720316]

約数ペア:

[(1, 40720316), (2, 20360158), (4, 10180079), (7, 5817188), (13, 3132332), (14, 2908594), (26, 1566166), (28, 1454297), (52, 783083), (91, 447476), (182, 223738), (364, 111869)]