51885920

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2333}}^1$

素因数の和:2487

約数の個数: 48

約数和(自身を含む): 123515280

約数和(自身を除く): 71629360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2333, 2780, 4448, 4666, 5560, 9332, 11120, 11665, 18664, 22240, 23330, 37328, 46660, 74656, 93320, 186640, 324287, 373280, 648574, 1297148, 1621435, 2594296, 3242870, 5188592, 6485740, 10377184, 12971480, 25942960, 51885920]

約数ペア:

[(1, 51885920), (2, 25942960), (4, 12971480), (5, 10377184), (8, 6485740), (10, 5188592), (16, 3242870), (20, 2594296), (32, 1621435), (40, 1297148), (80, 648574), (139, 373280), (160, 324287), (278, 186640), (556, 93320), (695, 74656), (1112, 46660), (1390, 37328), (2224, 23330), (2333, 22240), (2780, 18664), (4448, 11665), (4666, 11120), (5560, 9332)]