220160320

素因数分解:

$2^6\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1733}}^1$

素因数の和:2147

約数の個数: 56

約数和(自身を含む): 525880584

約数和(自身を除く): 305720264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 397, 794, 1588, 1733, 1985, 3176, 3466, 3970, 6352, 6932, 7940, 8665, 12704, 13864, 15880, 17330, 25408, 27728, 31760, 34660, 55456, 63520, 69320, 110912, 127040, 138640, 277280, 554560, 688001, 1376002, 2752004, 3440005, 5504008, 6880010, 11008016, 13760020, 22016032, 27520040, 44032064, 55040080, 110080160, 220160320]

約数ペア:

[(1, 220160320), (2, 110080160), (4, 55040080), (5, 44032064), (8, 27520040), (10, 22016032), (16, 13760020), (20, 11008016), (32, 6880010), (40, 5504008), (64, 3440005), (80, 2752004), (160, 1376002), (320, 688001), (397, 554560), (794, 277280), (1588, 138640), (1733, 127040), (1985, 110912), (3176, 69320), (3466, 63520), (3970, 55456), (6352, 34660), (6932, 31760), (7940, 27728), (8665, 25408), (12704, 17330), (13864, 15880)]