40502128

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{2539}}^1$

素因数の和:3544

約数の個数: 20

約数和(自身を含む): 78582520

約数和(自身を除く): 38080392

約数列:

[1, 2, 4, 8, 16, 997, 1994, 2539, 3988, 5078, 7976, 10156, 15952, 20312, 40624, 2531383, 5062766, 10125532, 20251064, 40502128]

約数ペア:

[(1, 40502128), (2, 20251064), (4, 10125532), (8, 5062766), (16, 2531383), (997, 40624), (1994, 20312), (2539, 15952), (3988, 10156), (5078, 7976)]