65554780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{30071}}^1$

素因数の和:30189

約数の個数: 24

約数和(自身を含む): 138932640

約数和(自身を除く): 73377860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 30071, 60142, 120284, 150355, 300710, 601420, 3277739, 6555478, 13110956, 16388695, 32777390, 65554780]

約数ペア:

[(1, 65554780), (2, 32777390), (4, 16388695), (5, 13110956), (10, 6555478), (20, 3277739), (109, 601420), (218, 300710), (436, 150355), (545, 120284), (1090, 60142), (2180, 30071)]