1330496240

素因数分解:

$2^4\times 5^1\times {\mathrm{16631203}}^1$

素因数の和:16631216

約数の個数: 20

約数和(自身を含む): 3093403944

約数和(自身を除く): 1762907704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16631203, 33262406, 66524812, 83156015, 133049624, 166312030, 266099248, 332624060, 665248120, 1330496240]

約数ペア:

[(1, 1330496240), (2, 665248120), (4, 332624060), (5, 266099248), (8, 166312030), (10, 133049624), (16, 83156015), (20, 66524812), (40, 33262406), (80, 16631203)]