164706620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{633487}}^1$

素因数の和:633509

約数の個数: 24

約数和(自身を含む): 372490944

約数和(自身を除く): 207784324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 633487, 1266974, 2533948, 3167435, 6334870, 8235331, 12669740, 16470662, 32941324, 41176655, 82353310, 164706620]

約数ペア:

[(1, 164706620), (2, 82353310), (4, 41176655), (5, 32941324), (10, 16470662), (13, 12669740), (20, 8235331), (26, 6334870), (52, 3167435), (65, 2533948), (130, 1266974), (260, 633487)]