51903820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 115688160

約数和(自身を除く): 63784340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 997, 1370, 1994, 2603, 2740, 3988, 4985, 5206, 9970, 10412, 13015, 18943, 19940, 26030, 37886, 52060, 75772, 94715, 136589, 189430, 273178, 378860, 546356, 682945, 1365890, 2595191, 2731780, 5190382, 10380764, 12975955, 25951910, 51903820]

約数ペア:

[(1, 51903820), (2, 25951910), (4, 12975955), (5, 10380764), (10, 5190382), (19, 2731780), (20, 2595191), (38, 1365890), (76, 682945), (95, 546356), (137, 378860), (190, 273178), (274, 189430), (380, 136589), (548, 94715), (685, 75772), (997, 52060), (1370, 37886), (1994, 26030), (2603, 19940), (2740, 18943), (3988, 13015), (4985, 10412), (5206, 9970)]