8321140

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{739}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 17529120

約数和(自身を除く): 9207980

約数列:

[1, 2, 4, 5, 10, 20, 563, 739, 1126, 1478, 2252, 2815, 2956, 3695, 5630, 7390, 11260, 14780, 416057, 832114, 1664228, 2080285, 4160570, 8321140]

約数ペア:

[(1, 8321140), (2, 4160570), (4, 2080285), (5, 1664228), (10, 832114), (20, 416057), (563, 14780), (739, 11260), (1126, 7390), (1478, 5630), (2252, 3695), (2815, 2956)]