13255825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 19641600

約数和(自身を除く): 6385775

約数列:

[1, 5, 11, 19, 25, 43, 55, 59, 95, 209, 215, 275, 295, 473, 475, 649, 817, 1045, 1075, 1121, 1475, 2365, 2537, 3245, 4085, 5225, 5605, 8987, 11825, 12331, 12685, 16225, 20425, 27907, 28025, 44935, 48203, 61655, 63425, 139535, 224675, 241015, 308275, 530233, 697675, 1205075, 2651165, 13255825]

約数ペア:

[(1, 13255825), (5, 2651165), (11, 1205075), (19, 697675), (25, 530233), (43, 308275), (55, 241015), (59, 224675), (95, 139535), (209, 63425), (215, 61655), (275, 48203), (295, 44935), (473, 28025), (475, 27907), (649, 20425), (817, 16225), (1045, 12685), (1075, 12331), (1121, 11825), (1475, 8987), (2365, 5605), (2537, 5225), (3245, 4085)]