42090980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2948

約数の個数: 48

約数和(自身を含む): 95800320

約数和(自身を除く): 53709340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2879, 2924, 3655, 5758, 7310, 11516, 14395, 14620, 28790, 48943, 57580, 97886, 123797, 195772, 244715, 247594, 489430, 495188, 618985, 978860, 1237970, 2104549, 2475940, 4209098, 8418196, 10522745, 21045490, 42090980]

約数ペア:

[(1, 42090980), (2, 21045490), (4, 10522745), (5, 8418196), (10, 4209098), (17, 2475940), (20, 2104549), (34, 1237970), (43, 978860), (68, 618985), (85, 495188), (86, 489430), (170, 247594), (172, 244715), (215, 195772), (340, 123797), (430, 97886), (731, 57580), (860, 48943), (1462, 28790), (2879, 14620), (2924, 14395), (3655, 11516), (5758, 7310)]