81234620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{176597}}^1$

素因数の和:176629

約数の個数: 24

約数和(自身を含む): 178010784

約数和(自身を除く): 96776164

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 176597, 353194, 706388, 882985, 1765970, 3531940, 4061731, 8123462, 16246924, 20308655, 40617310, 81234620]

約数ペア:

[(1, 81234620), (2, 40617310), (4, 20308655), (5, 16246924), (10, 8123462), (20, 4061731), (23, 3531940), (46, 1765970), (92, 882985), (115, 706388), (230, 353194), (460, 176597)]