1261977440

素因数分解:

$2^5\times 5^1\times {\mathrm{7887359}}^1$

素因数の和:7887374

約数の個数: 24

約数和(自身を含む): 2981422080

約数和(自身を除く): 1719444640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 7887359, 15774718, 31549436, 39436795, 63098872, 78873590, 126197744, 157747180, 252395488, 315494360, 630988720, 1261977440]

約数ペア:

[(1, 1261977440), (2, 630988720), (4, 315494360), (5, 252395488), (8, 157747180), (10, 126197744), (16, 78873590), (20, 63098872), (32, 39436795), (40, 31549436), (80, 15774718), (160, 7887359)]