63968500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{4127}}^1$

素因数の和:4177

約数の個数: 48

約数和(自身を含む): 144248832

約数和(自身を除く): 80280332

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1550, 3100, 3875, 4127, 7750, 8254, 15500, 16508, 20635, 41270, 82540, 103175, 127937, 206350, 255874, 412700, 511748, 515875, 639685, 1031750, 1279370, 2063500, 2558740, 3198425, 6396850, 12793700, 15992125, 31984250, 63968500]

約数ペア:

[(1, 63968500), (2, 31984250), (4, 15992125), (5, 12793700), (10, 6396850), (20, 3198425), (25, 2558740), (31, 2063500), (50, 1279370), (62, 1031750), (100, 639685), (124, 515875), (125, 511748), (155, 412700), (250, 255874), (310, 206350), (500, 127937), (620, 103175), (775, 82540), (1550, 41270), (3100, 20635), (3875, 16508), (4127, 15500), (7750, 8254)]