202080560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229637}}^1$

素因数の和:229661

約数の個数: 40

約数和(自身を含む): 512552016

約数和(自身を除く): 310471456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 229637, 459274, 918548, 1148185, 1837096, 2296370, 2526007, 3674192, 4592740, 5052014, 9185480, 10104028, 12630035, 18370960, 20208056, 25260070, 40416112, 50520140, 101040280, 202080560]

約数ペア:

[(1, 202080560), (2, 101040280), (4, 50520140), (5, 40416112), (8, 25260070), (10, 20208056), (11, 18370960), (16, 12630035), (20, 10104028), (22, 9185480), (40, 5052014), (44, 4592740), (55, 3674192), (80, 2526007), (88, 2296370), (110, 1837096), (176, 1148185), (220, 918548), (440, 459274), (880, 229637)]