27727780

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1907}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 58339008

約数和(自身を除く): 30611228

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 1907, 2908, 3635, 3814, 7270, 7628, 9535, 14540, 19070, 38140, 1386389, 2772778, 5545556, 6931945, 13863890, 27727780]

約数ペア:

[(1, 27727780), (2, 13863890), (4, 6931945), (5, 5545556), (10, 2772778), (20, 1386389), (727, 38140), (1454, 19070), (1907, 14540), (2908, 9535), (3635, 7628), (3814, 7270)]