201557120

素因数分解:

$2^7\times 5^1\times {\mathrm{314933}}^1$

素因数の和:314952

約数の個数: 32

約数和(自身を含む): 481849020

約数和(自身を除く): 280291900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314933, 629866, 1259732, 1574665, 2519464, 3149330, 5038928, 6298660, 10077856, 12597320, 20155712, 25194640, 40311424, 50389280, 100778560, 201557120]

約数ペア:

[(1, 201557120), (2, 100778560), (4, 50389280), (5, 40311424), (8, 25194640), (10, 20155712), (16, 12597320), (20, 10077856), (32, 6298660), (40, 5038928), (64, 3149330), (80, 2519464), (128, 1574665), (160, 1259732), (320, 629866), (640, 314933)]