53440640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7591}}^1$

素因数の和:7621

約数の個数: 64

約数和(自身を含む): 139389120

約数和(自身を除く): 85948480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 7591, 15182, 30364, 37955, 60728, 75910, 83501, 121456, 151820, 167002, 242912, 303640, 334004, 417505, 485824, 607280, 668008, 835010, 971648, 1214560, 1336016, 1670020, 2429120, 2672032, 3340040, 4858240, 5344064, 6680080, 10688128, 13360160, 26720320, 53440640]

約数ペア:

[(1, 53440640), (2, 26720320), (4, 13360160), (5, 10688128), (8, 6680080), (10, 5344064), (11, 4858240), (16, 3340040), (20, 2672032), (22, 2429120), (32, 1670020), (40, 1336016), (44, 1214560), (55, 971648), (64, 835010), (80, 668008), (88, 607280), (110, 485824), (128, 417505), (160, 334004), (176, 303640), (220, 242912), (320, 167002), (352, 151820), (440, 121456), (640, 83501), (704, 75910), (880, 60728), (1408, 37955), (1760, 30364), (3520, 15182), (7040, 7591)]