213418160

素因数分解:

$2^4\times 5^1\times {\mathrm{2667727}}^1$

素因数の和:2667740

約数の個数: 20

約数和(自身を含む): 496197408

約数和(自身を除く): 282779248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2667727, 5335454, 10670908, 13338635, 21341816, 26677270, 42683632, 53354540, 106709080, 213418160]

約数ペア:

[(1, 213418160), (2, 106709080), (4, 53354540), (5, 42683632), (8, 26677270), (10, 21341816), (16, 13338635), (20, 10670908), (40, 5335454), (80, 2667727)]