217632320

素因数分解:

$2^6\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1061}}^1$

素因数の和:1719

約数の個数: 56

約数和(自身を含む): 519534648

約数和(自身を除く): 301902328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 641, 1061, 1282, 2122, 2564, 3205, 4244, 5128, 5305, 6410, 8488, 10256, 10610, 12820, 16976, 20512, 21220, 25640, 33952, 41024, 42440, 51280, 67904, 84880, 102560, 169760, 205120, 339520, 680101, 1360202, 2720404, 3400505, 5440808, 6801010, 10881616, 13602020, 21763232, 27204040, 43526464, 54408080, 108816160, 217632320]

約数ペア:

[(1, 217632320), (2, 108816160), (4, 54408080), (5, 43526464), (8, 27204040), (10, 21763232), (16, 13602020), (20, 10881616), (32, 6801010), (40, 5440808), (64, 3400505), (80, 2720404), (160, 1360202), (320, 680101), (641, 339520), (1061, 205120), (1282, 169760), (2122, 102560), (2564, 84880), (3205, 67904), (4244, 51280), (5128, 42440), (5305, 41024), (6410, 33952), (8488, 25640), (10256, 21220), (10610, 20512), (12820, 16976)]