16788320

素因数分解:

$2^5\times 5^1\times {\mathrm{317}}^1\times {\mathrm{331}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 39907728

約数和(自身を除く): 23119408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 317, 331, 634, 662, 1268, 1324, 1585, 1655, 2536, 2648, 3170, 3310, 5072, 5296, 6340, 6620, 10144, 10592, 12680, 13240, 25360, 26480, 50720, 52960, 104927, 209854, 419708, 524635, 839416, 1049270, 1678832, 2098540, 3357664, 4197080, 8394160, 16788320]

約数ペア:

[(1, 16788320), (2, 8394160), (4, 4197080), (5, 3357664), (8, 2098540), (10, 1678832), (16, 1049270), (20, 839416), (32, 524635), (40, 419708), (80, 209854), (160, 104927), (317, 52960), (331, 50720), (634, 26480), (662, 25360), (1268, 13240), (1324, 12680), (1585, 10592), (1655, 10144), (2536, 6620), (2648, 6340), (3170, 5296), (3310, 5072)]