1320354670

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{253427}}^1$

素因数の和:253955

約数の個数: 16

約数和(自身を含む): 2381209488

約数和(自身を除く): 1060854818

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 253427, 506854, 1267135, 2534270, 132035467, 264070934, 660177335, 1320354670]

約数ペア:

[(1, 1320354670), (2, 660177335), (5, 264070934), (10, 132035467), (521, 2534270), (1042, 1267135), (2605, 506854), (5210, 253427)]