266475280

素因数分解:

$2^4\times 5^1\times {\mathrm{3330941}}^1$

素因数の和:3330954

約数の個数: 20

約数和(自身を含む): 619555212

約数和(自身を除く): 353079932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3330941, 6661882, 13323764, 16654705, 26647528, 33309410, 53295056, 66618820, 133237640, 266475280]

約数ペア:

[(1, 266475280), (2, 133237640), (4, 66618820), (5, 53295056), (8, 33309410), (10, 26647528), (16, 16654705), (20, 13323764), (40, 6661882), (80, 3330941)]