42590060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 91990080

約数和(自身を除く): 49400020

約数列:

[1, 2, 4, 5, 10, 20, 71, 89, 142, 178, 284, 337, 355, 356, 445, 674, 710, 890, 1348, 1420, 1685, 1780, 3370, 6319, 6740, 12638, 23927, 25276, 29993, 31595, 47854, 59986, 63190, 95708, 119635, 119972, 126380, 149965, 239270, 299930, 478540, 599860, 2129503, 4259006, 8518012, 10647515, 21295030, 42590060]

約数ペア:

[(1, 42590060), (2, 21295030), (4, 10647515), (5, 8518012), (10, 4259006), (20, 2129503), (71, 599860), (89, 478540), (142, 299930), (178, 239270), (284, 149965), (337, 126380), (355, 119972), (356, 119635), (445, 95708), (674, 63190), (710, 59986), (890, 47854), (1348, 31595), (1420, 29993), (1685, 25276), (1780, 23927), (3370, 12638), (6319, 6740)]