1325492020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{838919}}^1$

素因数の和:839007

約数の個数: 24

約数和(自身を含む): 2818771200

約数和(自身を除く): 1493279180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 838919, 1677838, 3355676, 4194595, 8389190, 16778380, 66274601, 132549202, 265098404, 331373005, 662746010, 1325492020]

約数ペア:

[(1, 1325492020), (2, 662746010), (4, 331373005), (5, 265098404), (10, 132549202), (20, 66274601), (79, 16778380), (158, 8389190), (316, 4194595), (395, 3355676), (790, 1677838), (1580, 838919)]