87967820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 189665280

約数和(自身を除く): 101697460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 127, 236, 254, 295, 508, 587, 590, 635, 1174, 1180, 1270, 2348, 2540, 2935, 5870, 7493, 11740, 14986, 29972, 34633, 37465, 69266, 74549, 74930, 138532, 149098, 149860, 173165, 298196, 346330, 372745, 692660, 745490, 1490980, 4398391, 8796782, 17593564, 21991955, 43983910, 87967820]

約数ペア:

[(1, 87967820), (2, 43983910), (4, 21991955), (5, 17593564), (10, 8796782), (20, 4398391), (59, 1490980), (118, 745490), (127, 692660), (236, 372745), (254, 346330), (295, 298196), (508, 173165), (587, 149860), (590, 149098), (635, 138532), (1174, 74930), (1180, 74549), (1270, 69266), (2348, 37465), (2540, 34633), (2935, 29972), (5870, 14986), (7493, 11740)]