40952020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25919}}^1$

素因数の和:26007

約数の個数: 24

約数和(自身を含む): 87091200

約数和(自身を除く): 46139180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25919, 51838, 103676, 129595, 259190, 518380, 2047601, 4095202, 8190404, 10238005, 20476010, 40952020]

約数ペア:

[(1, 40952020), (2, 20476010), (4, 10238005), (5, 8190404), (10, 4095202), (20, 2047601), (79, 518380), (158, 259190), (316, 129595), (395, 103676), (790, 51838), (1580, 25919)]