38789480

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1741}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 87483240

約数和(自身を除く): 48693760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 1114, 1741, 2228, 2785, 3482, 4456, 5570, 6964, 8705, 11140, 13928, 17410, 22280, 34820, 69640, 969737, 1939474, 3878948, 4848685, 7757896, 9697370, 19394740, 38789480]

約数ペア:

[(1, 38789480), (2, 19394740), (4, 9697370), (5, 7757896), (8, 4848685), (10, 3878948), (20, 1939474), (40, 969737), (557, 69640), (1114, 34820), (1741, 22280), (2228, 17410), (2785, 13928), (3482, 11140), (4456, 8705), (5570, 6964)]