55445920

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8059}}^1$

素因数の和:8117

約数の個数: 48

約数和(自身を含む): 134053920

約数和(自身を除く): 78608000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 8059, 16118, 32236, 40295, 64472, 80590, 128944, 161180, 257888, 322360, 346537, 644720, 693074, 1289440, 1386148, 1732685, 2772296, 3465370, 5544592, 6930740, 11089184, 13861480, 27722960, 55445920]

約数ペア:

[(1, 55445920), (2, 27722960), (4, 13861480), (5, 11089184), (8, 6930740), (10, 5544592), (16, 3465370), (20, 2772296), (32, 1732685), (40, 1386148), (43, 1289440), (80, 693074), (86, 644720), (160, 346537), (172, 322360), (215, 257888), (344, 161180), (430, 128944), (688, 80590), (860, 64472), (1376, 40295), (1720, 32236), (3440, 16118), (6880, 8059)]