13081760

素因数分解:

$2^5\times 5^1\times {\mathrm{81761}}^1$

素因数の和:81776

約数の個数: 24

約数和(自身を含む): 30906036

約数和(自身を除く): 17824276

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 81761, 163522, 327044, 408805, 654088, 817610, 1308176, 1635220, 2616352, 3270440, 6540880, 13081760]

約数ペア:

[(1, 13081760), (2, 6540880), (4, 3270440), (5, 2616352), (8, 1635220), (10, 1308176), (16, 817610), (20, 654088), (32, 408805), (40, 327044), (80, 163522), (160, 81761)]