1330457680

素因数分解:

$2^4\times 5^1\times {\mathrm{16630721}}^1$

素因数の和:16630734

約数の個数: 20

約数和(自身を含む): 3093314292

約数和(自身を除く): 1762856612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16630721, 33261442, 66522884, 83153605, 133045768, 166307210, 266091536, 332614420, 665228840, 1330457680]

約数ペア:

[(1, 1330457680), (2, 665228840), (4, 332614420), (5, 266091536), (8, 166307210), (10, 133045768), (16, 83153605), (20, 66522884), (40, 33261442), (80, 16630721)]