28612420

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4513}}^1$

素因数の和:4839

約数の個数: 24

約数和(自身を含む): 60288984

約数和(自身を除く): 31676564

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 4513, 6340, 9026, 18052, 22565, 45130, 90260, 1430621, 2861242, 5722484, 7153105, 14306210, 28612420]

約数ペア:

[(1, 28612420), (2, 14306210), (4, 7153105), (5, 5722484), (10, 2861242), (20, 1430621), (317, 90260), (634, 45130), (1268, 22565), (1585, 18052), (3170, 9026), (4513, 6340)]