81984250

素因数分解:

$2^1\times 5^3\times {\mathrm{353}}^1\times {\mathrm{929}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 154074960

約数和(自身を除く): 72090710

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 353, 706, 929, 1765, 1858, 3530, 4645, 8825, 9290, 17650, 23225, 44125, 46450, 88250, 116125, 232250, 327937, 655874, 1639685, 3279370, 8198425, 16396850, 40992125, 81984250]

約数ペア:

[(1, 81984250), (2, 40992125), (5, 16396850), (10, 8198425), (25, 3279370), (50, 1639685), (125, 655874), (250, 327937), (353, 232250), (706, 116125), (929, 88250), (1765, 46450), (1858, 44125), (3530, 23225), (4645, 17650), (8825, 9290)]