1271688020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1478707}}^1$

素因数の和:1478759

約数の個数: 24

約数和(自身を含む): 2732652384

約数和(自身を除く): 1460964364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1478707, 2957414, 5914828, 7393535, 14787070, 29574140, 63584401, 127168802, 254337604, 317922005, 635844010, 1271688020]

約数ペア:

[(1, 1271688020), (2, 635844010), (4, 317922005), (5, 254337604), (10, 127168802), (20, 63584401), (43, 29574140), (86, 14787070), (172, 7393535), (215, 5914828), (430, 2957414), (860, 1478707)]