57132280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{20117}}^1$

素因数の和:20199

約数の個数: 32

約数和(自身を含む): 130364640

約数和(自身を除く): 73232360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 20117, 40234, 80468, 100585, 160936, 201170, 402340, 804680, 1428307, 2856614, 5713228, 7141535, 11426456, 14283070, 28566140, 57132280]

約数ペア:

[(1, 57132280), (2, 28566140), (4, 14283070), (5, 11426456), (8, 7141535), (10, 5713228), (20, 2856614), (40, 1428307), (71, 804680), (142, 402340), (284, 201170), (355, 160936), (568, 100585), (710, 80468), (1420, 40234), (2840, 20117)]