40994690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 84913920

約数和(自身を除く): 43919230

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 71, 110, 142, 145, 181, 290, 319, 355, 362, 638, 710, 781, 905, 1562, 1595, 1810, 1991, 2059, 3190, 3905, 3982, 4118, 5249, 7810, 9955, 10295, 10498, 12851, 19910, 20590, 22649, 25702, 26245, 45298, 52490, 57739, 64255, 113245, 115478, 128510, 141361, 226490, 282722, 288695, 372679, 577390, 706805, 745358, 1413610, 1863395, 3726790, 4099469, 8198938, 20497345, 40994690]

約数ペア:

[(1, 40994690), (2, 20497345), (5, 8198938), (10, 4099469), (11, 3726790), (22, 1863395), (29, 1413610), (55, 745358), (58, 706805), (71, 577390), (110, 372679), (142, 288695), (145, 282722), (181, 226490), (290, 141361), (319, 128510), (355, 115478), (362, 113245), (638, 64255), (710, 57739), (781, 52490), (905, 45298), (1562, 26245), (1595, 25702), (1810, 22649), (1991, 20590), (2059, 19910), (3190, 12851), (3905, 10498), (3982, 10295), (4118, 9955), (5249, 7810)]