43428020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 94239936

約数和(自身を除く): 50811916

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 211, 251, 410, 422, 502, 820, 844, 1004, 1055, 1255, 2110, 2510, 4220, 5020, 8651, 10291, 17302, 20582, 34604, 41164, 43255, 51455, 52961, 86510, 102910, 105922, 173020, 205820, 211844, 264805, 529610, 1059220, 2171401, 4342802, 8685604, 10857005, 21714010, 43428020]

約数ペア:

[(1, 43428020), (2, 21714010), (4, 10857005), (5, 8685604), (10, 4342802), (20, 2171401), (41, 1059220), (82, 529610), (164, 264805), (205, 211844), (211, 205820), (251, 173020), (410, 105922), (422, 102910), (502, 86510), (820, 52961), (844, 51455), (1004, 43255), (1055, 41164), (1255, 34604), (2110, 20582), (2510, 17302), (4220, 10291), (5020, 8651)]