27738280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9767}}^1$

素因数の和:9849

約数の個数: 32

約数和(自身を含む): 63296640

約数和(自身を除く): 35558360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9767, 19534, 39068, 48835, 78136, 97670, 195340, 390680, 693457, 1386914, 2773828, 3467285, 5547656, 6934570, 13869140, 27738280]

約数ペア:

[(1, 27738280), (2, 13869140), (4, 6934570), (5, 5547656), (8, 3467285), (10, 2773828), (20, 1386914), (40, 693457), (71, 390680), (142, 195340), (284, 97670), (355, 78136), (568, 48835), (710, 39068), (1420, 19534), (2840, 9767)]