1555820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11113}}^1$

素因数の和:11129

約数の個数: 24

約数和(自身を含む): 3734304

約数和(自身を除く): 2178484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11113, 22226, 44452, 55565, 77791, 111130, 155582, 222260, 311164, 388955, 777910, 1555820]

約数ペア:

[(1, 1555820), (2, 777910), (4, 388955), (5, 311164), (7, 222260), (10, 155582), (14, 111130), (20, 77791), (28, 55565), (35, 44452), (70, 22226), (140, 11113)]