31580420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{54449}}^1$

素因数の和:54487

約数の個数: 24

約数和(自身を含む): 68607000

約数和(自身を除く): 37026580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 54449, 108898, 217796, 272245, 544490, 1088980, 1579021, 3158042, 6316084, 7895105, 15790210, 31580420]

約数ペア:

[(1, 31580420), (2, 15790210), (4, 7895105), (5, 6316084), (10, 3158042), (20, 1579021), (29, 1088980), (58, 544490), (116, 272245), (145, 217796), (290, 108898), (580, 54449)]