2815820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20113}}^1$

素因数の和:20129

約数の個数: 24

約数和(自身を含む): 6758304

約数和(自身を除く): 3942484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20113, 40226, 80452, 100565, 140791, 201130, 281582, 402260, 563164, 703955, 1407910, 2815820]

約数ペア:

[(1, 2815820), (2, 1407910), (4, 703955), (5, 563164), (7, 402260), (10, 281582), (14, 201130), (20, 140791), (28, 100565), (35, 80452), (70, 40226), (140, 20113)]