38402560

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{2143}}^1$

素因数の和:2173

約数の個数: 80

約数和(自身を含む): 105278976

約数和(自身を除く): 66876416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2143, 2240, 2560, 3584, 4286, 4480, 8572, 8960, 10715, 15001, 17144, 17920, 21430, 30002, 34288, 42860, 60004, 68576, 75005, 85720, 120008, 137152, 150010, 171440, 240016, 274304, 300020, 342880, 480032, 548608, 600040, 685760, 960064, 1097216, 1200080, 1371520, 1920128, 2400160, 2743040, 3840256, 4800320, 5486080, 7680512, 9600640, 19201280, 38402560]

約数ペア:

[(1, 38402560), (2, 19201280), (4, 9600640), (5, 7680512), (7, 5486080), (8, 4800320), (10, 3840256), (14, 2743040), (16, 2400160), (20, 1920128), (28, 1371520), (32, 1200080), (35, 1097216), (40, 960064), (56, 685760), (64, 600040), (70, 548608), (80, 480032), (112, 342880), (128, 300020), (140, 274304), (160, 240016), (224, 171440), (256, 150010), (280, 137152), (320, 120008), (448, 85720), (512, 75005), (560, 68576), (640, 60004), (896, 42860), (1120, 34288), (1280, 30002), (1792, 21430), (2143, 17920), (2240, 17144), (2560, 15001), (3584, 10715), (4286, 8960), (4480, 8572)]