78259220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{300997}}^1$

素因数の和:301019

約数の個数: 24

約数和(自身を含む): 176986824

約数和(自身を除く): 98727604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 300997, 601994, 1203988, 1504985, 3009970, 3912961, 6019940, 7825922, 15651844, 19564805, 39129610, 78259220]

約数ペア:

[(1, 78259220), (2, 39129610), (4, 19564805), (5, 15651844), (10, 7825922), (13, 6019940), (20, 3912961), (26, 3009970), (52, 1504985), (65, 1203988), (130, 601994), (260, 300997)]