65796020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{76507}}^1$

素因数の和:76559

約数の個数: 24

約数和(自身を含む): 141386784

約数和(自身を除く): 75590764

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 76507, 153014, 306028, 382535, 765070, 1530140, 3289801, 6579602, 13159204, 16449005, 32898010, 65796020]

約数ペア:

[(1, 65796020), (2, 32898010), (4, 16449005), (5, 13159204), (10, 6579602), (20, 3289801), (43, 1530140), (86, 765070), (172, 382535), (215, 306028), (430, 153014), (860, 76507)]