2018705840

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{67651}}^1$

素因数の和:68037

約数の個数: 40

約数和(自身を含む): 4706143728

約数和(自身を除く): 2687437888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1492, 1865, 2984, 3730, 5968, 7460, 14920, 29840, 67651, 135302, 270604, 338255, 541208, 676510, 1082416, 1353020, 2706040, 5412080, 25233823, 50467646, 100935292, 126169115, 201870584, 252338230, 403741168, 504676460, 1009352920, 2018705840]

約数ペア:

[(1, 2018705840), (2, 1009352920), (4, 504676460), (5, 403741168), (8, 252338230), (10, 201870584), (16, 126169115), (20, 100935292), (40, 50467646), (80, 25233823), (373, 5412080), (746, 2706040), (1492, 1353020), (1865, 1082416), (2984, 676510), (3730, 541208), (5968, 338255), (7460, 270604), (14920, 135302), (29840, 67651)]