2029508720

素因数分解:

$2^4\times 5^1\times {\mathrm{25368859}}^1$

素因数の和:25368872

約数の個数: 20

約数和(自身を含む): 4718607960

約数和(自身を除く): 2689099240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25368859, 50737718, 101475436, 126844295, 202950872, 253688590, 405901744, 507377180, 1014754360, 2029508720]

約数ペア:

[(1, 2029508720), (2, 1014754360), (4, 507377180), (5, 405901744), (8, 253688590), (10, 202950872), (16, 126844295), (20, 101475436), (40, 50737718), (80, 25368859)]