249869120

素因数分解:

$2^6\times 5^1\times {\mathrm{780841}}^1$

素因数の和:780858

約数の個数: 28

約数和(自身を含む): 595001604

約数和(自身を除く): 345132484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 780841, 1561682, 3123364, 3904205, 6246728, 7808410, 12493456, 15616820, 24986912, 31233640, 49973824, 62467280, 124934560, 249869120]

約数ペア:

[(1, 249869120), (2, 124934560), (4, 62467280), (5, 49973824), (8, 31233640), (10, 24986912), (16, 15616820), (20, 12493456), (32, 7808410), (40, 6246728), (64, 3904205), (80, 3123364), (160, 1561682), (320, 780841)]