4068080

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 9542544

約数和(自身を除く): 5474464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 241, 422, 482, 844, 964, 1055, 1205, 1688, 1928, 2110, 2410, 3376, 3856, 4220, 4820, 8440, 9640, 16880, 19280, 50851, 101702, 203404, 254255, 406808, 508510, 813616, 1017020, 2034040, 4068080]

約数ペア:

[(1, 4068080), (2, 2034040), (4, 1017020), (5, 813616), (8, 508510), (10, 406808), (16, 254255), (20, 203404), (40, 101702), (80, 50851), (211, 19280), (241, 16880), (422, 9640), (482, 8440), (844, 4820), (964, 4220), (1055, 3856), (1205, 3376), (1688, 2410), (1928, 2110)]