208950080

素因数分解:

$2^6\times 5^1\times {\mathrm{652969}}^1$

素因数の和:652986

約数の個数: 28

約数和(自身を含む): 497563140

約数和(自身を除く): 288613060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 652969, 1305938, 2611876, 3264845, 5223752, 6529690, 10447504, 13059380, 20895008, 26118760, 41790016, 52237520, 104475040, 208950080]

約数ペア:

[(1, 208950080), (2, 104475040), (4, 52237520), (5, 41790016), (8, 26118760), (10, 20895008), (16, 13059380), (20, 10447504), (32, 6529690), (40, 5223752), (64, 3264845), (80, 2611876), (160, 1305938), (320, 652969)]