39642890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1087}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 81782784

約数和(自身を除く): 42139894

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 521, 1042, 1087, 2174, 2605, 3647, 5210, 5435, 7294, 7609, 10870, 15218, 18235, 36470, 38045, 76090, 566327, 1132654, 2831635, 3964289, 5663270, 7928578, 19821445, 39642890]

約数ペア:

[(1, 39642890), (2, 19821445), (5, 7928578), (7, 5663270), (10, 3964289), (14, 2831635), (35, 1132654), (70, 566327), (521, 76090), (1042, 38045), (1087, 36470), (2174, 18235), (2605, 15218), (3647, 10870), (5210, 7609), (5435, 7294)]