42590720

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 80

約数和(自身を含む): 103707648

約数和(自身を除く): 61116928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 131, 160, 254, 256, 262, 320, 508, 512, 524, 635, 640, 655, 1016, 1048, 1270, 1280, 1310, 2032, 2096, 2540, 2560, 2620, 4064, 4192, 5080, 5240, 8128, 8384, 10160, 10480, 16256, 16637, 16768, 20320, 20960, 32512, 33274, 33536, 40640, 41920, 65024, 66548, 67072, 81280, 83185, 83840, 133096, 162560, 166370, 167680, 266192, 325120, 332740, 335360, 532384, 665480, 1064768, 1330960, 2129536, 2661920, 4259072, 5323840, 8518144, 10647680, 21295360, 42590720]

約数ペア:

[(1, 42590720), (2, 21295360), (4, 10647680), (5, 8518144), (8, 5323840), (10, 4259072), (16, 2661920), (20, 2129536), (32, 1330960), (40, 1064768), (64, 665480), (80, 532384), (127, 335360), (128, 332740), (131, 325120), (160, 266192), (254, 167680), (256, 166370), (262, 162560), (320, 133096), (508, 83840), (512, 83185), (524, 81280), (635, 67072), (640, 66548), (655, 65024), (1016, 41920), (1048, 40640), (1270, 33536), (1280, 33274), (1310, 32512), (2032, 20960), (2096, 20320), (2540, 16768), (2560, 16637), (2620, 16256), (4064, 10480), (4192, 10160), (5080, 8384), (5240, 8128)]