55591340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20899}}^1$

素因数の和:20934

約数の個数: 48

約数和(自身を含む): 140448000

約数和(自身を除く): 84856660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 20899, 41798, 83596, 104495, 146293, 208990, 292586, 397081, 417980, 585172, 731465, 794162, 1462930, 1588324, 1985405, 2779567, 2925860, 3970810, 5559134, 7941620, 11118268, 13897835, 27795670, 55591340]

約数ペア:

[(1, 55591340), (2, 27795670), (4, 13897835), (5, 11118268), (7, 7941620), (10, 5559134), (14, 3970810), (19, 2925860), (20, 2779567), (28, 1985405), (35, 1588324), (38, 1462930), (70, 794162), (76, 731465), (95, 585172), (133, 417980), (140, 397081), (190, 292586), (266, 208990), (380, 146293), (532, 104495), (665, 83596), (1330, 41798), (2660, 20899)]