13906240

素因数分解:

$2^6\times 5^1\times {\mathrm{43457}}^1$

素因数の和:43474

約数の個数: 28

約数和(自身を含む): 33114996

約数和(自身を除く): 19208756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 43457, 86914, 173828, 217285, 347656, 434570, 695312, 869140, 1390624, 1738280, 2781248, 3476560, 6953120, 13906240]

約数ペア:

[(1, 13906240), (2, 6953120), (4, 3476560), (5, 2781248), (8, 1738280), (10, 1390624), (16, 869140), (20, 695312), (32, 434570), (40, 347656), (64, 217285), (80, 173828), (160, 86914), (320, 43457)]