51338200

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1303}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 120059280

約数和(自身を除く): 68721080

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1303, 1576, 1970, 2606, 3940, 4925, 5212, 6515, 7880, 9850, 10424, 13030, 19700, 26060, 32575, 39400, 52120, 65150, 130300, 256691, 260600, 513382, 1026764, 1283455, 2053528, 2566910, 5133820, 6417275, 10267640, 12834550, 25669100, 51338200]

約数ペア:

[(1, 51338200), (2, 25669100), (4, 12834550), (5, 10267640), (8, 6417275), (10, 5133820), (20, 2566910), (25, 2053528), (40, 1283455), (50, 1026764), (100, 513382), (197, 260600), (200, 256691), (394, 130300), (788, 65150), (985, 52120), (1303, 39400), (1576, 32575), (1970, 26060), (2606, 19700), (3940, 13030), (4925, 10424), (5212, 9850), (6515, 7880)]