1136920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 2621520

約数和(自身を除く): 1484600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 661, 860, 1322, 1720, 2644, 3305, 5288, 6610, 13220, 26440, 28423, 56846, 113692, 142115, 227384, 284230, 568460, 1136920]

約数ペア:

[(1, 1136920), (2, 568460), (4, 284230), (5, 227384), (8, 142115), (10, 113692), (20, 56846), (40, 28423), (43, 26440), (86, 13220), (172, 6610), (215, 5288), (344, 3305), (430, 2644), (661, 1720), (860, 1322)]