89906240

素因数分解:

$2^6\times 5^1\times {\mathrm{280957}}^1$

素因数の和:280974

約数の個数: 28

約数和(自身を含む): 214089996

約数和(自身を除く): 124183756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 280957, 561914, 1123828, 1404785, 2247656, 2809570, 4495312, 5619140, 8990624, 11238280, 17981248, 22476560, 44953120, 89906240]

約数ペア:

[(1, 89906240), (2, 44953120), (4, 22476560), (5, 17981248), (8, 11238280), (10, 8990624), (16, 5619140), (20, 4495312), (32, 2809570), (40, 2247656), (64, 1404785), (80, 1123828), (160, 561914), (320, 280957)]