7772020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4919}}^1$

素因数の和:5007

約数の個数: 24

約数和(自身を含む): 16531200

約数和(自身を除く): 8759180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 4919, 9838, 19676, 24595, 49190, 98380, 388601, 777202, 1554404, 1943005, 3886010, 7772020]

約数ペア:

[(1, 7772020), (2, 3886010), (4, 1943005), (5, 1554404), (10, 777202), (20, 388601), (79, 98380), (158, 49190), (316, 24595), (395, 19676), (790, 9838), (1580, 4919)]