66587960

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{4463}}^1$

素因数の和:4847

約数の個数: 32

約数和(自身を含む): 150258240

約数和(自身を除く): 83670280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 4463, 7460, 8926, 14920, 17852, 22315, 35704, 44630, 89260, 178520, 1664699, 3329398, 6658796, 8323495, 13317592, 16646990, 33293980, 66587960]

約数ペア:

[(1, 66587960), (2, 33293980), (4, 16646990), (5, 13317592), (8, 8323495), (10, 6658796), (20, 3329398), (40, 1664699), (373, 178520), (746, 89260), (1492, 44630), (1865, 35704), (2984, 22315), (3730, 17852), (4463, 14920), (7460, 8926)]