102406400

素因数分解:

$2^8\times 5^2\times {\mathrm{16001}}^1$

素因数の和:16027

約数の個数: 54

約数和(自身を含む): 253487682

約数和(自身を除く): 151081282

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 16001, 32002, 64004, 80005, 128008, 160010, 256016, 320020, 400025, 512032, 640040, 800050, 1024064, 1280080, 1600100, 2048128, 2560160, 3200200, 4096256, 5120320, 6400400, 10240640, 12800800, 20481280, 25601600, 51203200, 102406400]

約数ペア:

[(1, 102406400), (2, 51203200), (4, 25601600), (5, 20481280), (8, 12800800), (10, 10240640), (16, 6400400), (20, 5120320), (25, 4096256), (32, 3200200), (40, 2560160), (50, 2048128), (64, 1600100), (80, 1280080), (100, 1024064), (128, 800050), (160, 640040), (200, 512032), (256, 400025), (320, 320020), (400, 256016), (640, 160010), (800, 128008), (1280, 80005), (1600, 64004), (3200, 32002), (6400, 16001)]