31380340

素因数分解:

$2^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2213}}^1$

素因数の和:2931

約数の個数: 24

約数和(自身を含む): 66021480

約数和(自身を除く): 34641140

約数列:

[1, 2, 4, 5, 10, 20, 709, 1418, 2213, 2836, 3545, 4426, 7090, 8852, 11065, 14180, 22130, 44260, 1569017, 3138034, 6276068, 7845085, 15690170, 31380340]

約数ペア:

[(1, 31380340), (2, 15690170), (4, 7845085), (5, 6276068), (10, 3138034), (20, 1569017), (709, 44260), (1418, 22130), (2213, 14180), (2836, 11065), (3545, 8852), (4426, 7090)]