979940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3769}}^1$

素因数の和:3791

約数の個数: 24

約数和(自身を含む): 2216760

約数和(自身を除く): 1236820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3769, 7538, 15076, 18845, 37690, 48997, 75380, 97994, 195988, 244985, 489970, 979940]

約数ペア:

[(1, 979940), (2, 489970), (4, 244985), (5, 195988), (10, 97994), (13, 75380), (20, 48997), (26, 37690), (52, 18845), (65, 15076), (130, 7538), (260, 3769)]