25388620

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1613}}^1$

素因数の和:2409

約数の個数: 24

約数和(自身を含む): 53416944

約数和(自身を除く): 28028324

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 1613, 3148, 3226, 3935, 6452, 7870, 8065, 15740, 16130, 32260, 1269431, 2538862, 5077724, 6347155, 12694310, 25388620]

約数ペア:

[(1, 25388620), (2, 12694310), (4, 6347155), (5, 5077724), (10, 2538862), (20, 1269431), (787, 32260), (1574, 16130), (1613, 15740), (3148, 8065), (3226, 7870), (3935, 6452)]