85137280

素因数分解:

$2^7\times 5^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1127

約数の個数: 64

約数和(自身を含む): 205228080

約数和(自身を除く): 120090800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 137, 160, 274, 320, 548, 640, 685, 971, 1096, 1370, 1942, 2192, 2740, 3884, 4384, 4855, 5480, 7768, 8768, 9710, 10960, 15536, 17536, 19420, 21920, 31072, 38840, 43840, 62144, 77680, 87680, 124288, 133027, 155360, 266054, 310720, 532108, 621440, 665135, 1064216, 1330270, 2128432, 2660540, 4256864, 5321080, 8513728, 10642160, 17027456, 21284320, 42568640, 85137280]

約数ペア:

[(1, 85137280), (2, 42568640), (4, 21284320), (5, 17027456), (8, 10642160), (10, 8513728), (16, 5321080), (20, 4256864), (32, 2660540), (40, 2128432), (64, 1330270), (80, 1064216), (128, 665135), (137, 621440), (160, 532108), (274, 310720), (320, 266054), (548, 155360), (640, 133027), (685, 124288), (971, 87680), (1096, 77680), (1370, 62144), (1942, 43840), (2192, 38840), (2740, 31072), (3884, 21920), (4384, 19420), (4855, 17536), (5480, 15536), (7768, 10960), (8768, 9710)]