55617920

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:152

約数の個数: 96

約数和(自身を含む): 139021920

約数和(自身を除く): 83404000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 47, 64, 80, 86, 94, 128, 160, 172, 188, 215, 235, 320, 344, 376, 430, 470, 640, 688, 752, 860, 940, 1376, 1504, 1720, 1849, 1880, 2021, 2752, 3008, 3440, 3698, 3760, 4042, 5504, 6016, 6880, 7396, 7520, 8084, 9245, 10105, 13760, 14792, 15040, 16168, 18490, 20210, 27520, 29584, 30080, 32336, 36980, 40420, 59168, 64672, 73960, 80840, 86903, 118336, 129344, 147920, 161680, 173806, 236672, 258688, 295840, 323360, 347612, 434515, 591680, 646720, 695224, 869030, 1183360, 1293440, 1390448, 1738060, 2780896, 3476120, 5561792, 6952240, 11123584, 13904480, 27808960, 55617920]

約数ペア:

[(1, 55617920), (2, 27808960), (4, 13904480), (5, 11123584), (8, 6952240), (10, 5561792), (16, 3476120), (20, 2780896), (32, 1738060), (40, 1390448), (43, 1293440), (47, 1183360), (64, 869030), (80, 695224), (86, 646720), (94, 591680), (128, 434515), (160, 347612), (172, 323360), (188, 295840), (215, 258688), (235, 236672), (320, 173806), (344, 161680), (376, 147920), (430, 129344), (470, 118336), (640, 86903), (688, 80840), (752, 73960), (860, 64672), (940, 59168), (1376, 40420), (1504, 36980), (1720, 32336), (1849, 30080), (1880, 29584), (2021, 27520), (2752, 20210), (3008, 18490), (3440, 16168), (3698, 15040), (3760, 14792), (4042, 13760), (5504, 10105), (6016, 9245), (6880, 8084), (7396, 7520)]