28020305

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2459}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 35069760

約数和(自身を除く): 7049455

約数列:

[1, 5, 43, 53, 215, 265, 2279, 2459, 11395, 12295, 105737, 130327, 528685, 651635, 5604061, 28020305]

約数ペア:

[(1, 28020305), (5, 5604061), (43, 651635), (53, 528685), (215, 130327), (265, 105737), (2279, 12295), (2459, 11395)]