199041280

素因数分解:

$2^8\times 5^1\times {\mathrm{155501}}^1$

素因数の和:155522

約数の個数: 36

約数和(自身を含む): 476769132

約数和(自身を除く): 277727852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 155501, 311002, 622004, 777505, 1244008, 1555010, 2488016, 3110020, 4976032, 6220040, 9952064, 12440080, 19904128, 24880160, 39808256, 49760320, 99520640, 199041280]

約数ペア:

[(1, 199041280), (2, 99520640), (4, 49760320), (5, 39808256), (8, 24880160), (10, 19904128), (16, 12440080), (20, 9952064), (32, 6220040), (40, 4976032), (64, 3110020), (80, 2488016), (128, 1555010), (160, 1244008), (256, 777505), (320, 622004), (640, 311002), (1280, 155501)]