26786890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5569}}^1$

素因数の和:5626

約数の個数: 32

約数和(自身を含む): 53338320

約数和(自身を除く): 26551430

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 5569, 11138, 27845, 55690, 72397, 144794, 206053, 361985, 412106, 723970, 1030265, 2060530, 2678689, 5357378, 13393445, 26786890]

約数ペア:

[(1, 26786890), (2, 13393445), (5, 5357378), (10, 2678689), (13, 2060530), (26, 1030265), (37, 723970), (65, 412106), (74, 361985), (130, 206053), (185, 144794), (370, 72397), (481, 55690), (962, 27845), (2405, 11138), (4810, 5569)]