55690160

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16189}}^1$

素因数の和:16245

約数の個数: 40

約数和(自身を含む): 132498960

約数和(自身を除く): 76808800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16189, 32378, 64756, 80945, 129512, 161890, 259024, 323780, 647560, 696127, 1295120, 1392254, 2784508, 3480635, 5569016, 6961270, 11138032, 13922540, 27845080, 55690160]

約数ペア:

[(1, 55690160), (2, 27845080), (4, 13922540), (5, 11138032), (8, 6961270), (10, 5569016), (16, 3480635), (20, 2784508), (40, 1392254), (43, 1295120), (80, 696127), (86, 647560), (172, 323780), (215, 259024), (344, 161890), (430, 129512), (688, 80945), (860, 64756), (1720, 32378), (3440, 16189)]