212864240

素因数分解:

$2^4\times 5^1\times {\mathrm{2660803}}^1$

素因数の和:2660816

約数の個数: 20

約数和(自身を含む): 494909544

約数和(自身を除く): 282045304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2660803, 5321606, 10643212, 13304015, 21286424, 26608030, 42572848, 53216060, 106432120, 212864240]

約数ペア:

[(1, 212864240), (2, 106432120), (4, 53216060), (5, 42572848), (8, 26608030), (10, 21286424), (16, 13304015), (20, 10643212), (40, 5321606), (80, 2660803)]