2912205160

素因数分解:

$2^3\times 5^1\times {\mathrm{12911}}^1\times {\mathrm{5639}}^1$

素因数の和:18561

約数の個数: 32

約数和(自身を含む): 6554131200

約数和(自身を除く): 3641926040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5639, 11278, 12911, 22556, 25822, 28195, 45112, 51644, 56390, 64555, 103288, 112780, 129110, 225560, 258220, 516440, 72805129, 145610258, 291220516, 364025645, 582441032, 728051290, 1456102580, 2912205160]

約数ペア:

[(1, 2912205160), (2, 1456102580), (4, 728051290), (5, 582441032), (8, 364025645), (10, 291220516), (20, 145610258), (40, 72805129), (5639, 516440), (11278, 258220), (12911, 225560), (22556, 129110), (25822, 112780), (28195, 103288), (45112, 64555), (51644, 56390)]