2048128000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{16001}}^1$

素因数の和:16036

約数の個数: 88

約数和(自身を含む): 5109950664

約数和(自身を除く): 3061822664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 640, 800, 1000, 1024, 1280, 1600, 2000, 2560, 3200, 4000, 5120, 6400, 8000, 12800, 16000, 16001, 25600, 32000, 32002, 64000, 64004, 80005, 128000, 128008, 160010, 256016, 320020, 400025, 512032, 640040, 800050, 1024064, 1280080, 1600100, 2000125, 2048128, 2560160, 3200200, 4000250, 4096256, 5120320, 6400400, 8000500, 8192512, 10240640, 12800800, 16001000, 16385024, 20481280, 25601600, 32002000, 40962560, 51203200, 64004000, 81925120, 102406400, 128008000, 204812800, 256016000, 409625600, 512032000, 1024064000, 2048128000]

約数ペア:

[(1, 2048128000), (2, 1024064000), (4, 512032000), (5, 409625600), (8, 256016000), (10, 204812800), (16, 128008000), (20, 102406400), (25, 81925120), (32, 64004000), (40, 51203200), (50, 40962560), (64, 32002000), (80, 25601600), (100, 20481280), (125, 16385024), (128, 16001000), (160, 12800800), (200, 10240640), (250, 8192512), (256, 8000500), (320, 6400400), (400, 5120320), (500, 4096256), (512, 4000250), (640, 3200200), (800, 2560160), (1000, 2048128), (1024, 2000125), (1280, 1600100), (1600, 1280080), (2000, 1024064), (2560, 800050), (3200, 640040), (4000, 512032), (5120, 400025), (6400, 320020), (8000, 256016), (12800, 160010), (16000, 128008), (16001, 128000), (25600, 80005), (32000, 64004), (32002, 64000)]