207768801280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{10144961}}^1$

素因数の和:10144990

約数の個数: 52

約数和(自身を含む): 498584302452

約数和(自身を除く): 290815501172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 10240, 20480, 10144961, 20289922, 40579844, 50724805, 81159688, 101449610, 162319376, 202899220, 324638752, 405798440, 649277504, 811596880, 1298555008, 1623193760, 2597110016, 3246387520, 5194220032, 6492775040, 10388440064, 12985550080, 20776880128, 25971100160, 41553760256, 51942200320, 103884400640, 207768801280]

約数ペア:

[(1, 207768801280), (2, 103884400640), (4, 51942200320), (5, 41553760256), (8, 25971100160), (10, 20776880128), (16, 12985550080), (20, 10388440064), (32, 6492775040), (40, 5194220032), (64, 3246387520), (80, 2597110016), (128, 1623193760), (160, 1298555008), (256, 811596880), (320, 649277504), (512, 405798440), (640, 324638752), (1024, 202899220), (1280, 162319376), (2048, 101449610), (2560, 81159688), (4096, 50724805), (5120, 40579844), (10240, 20289922), (20480, 10144961)]