1280563010

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{7753}}^1$

素因数の和:8042

約数の個数: 32

約数和(自身を含む): 2344809600

約数和(自身を除く): 1064246590

約数列:

[1, 2, 5, 10, 83, 166, 199, 398, 415, 830, 995, 1990, 7753, 15506, 16517, 33034, 38765, 77530, 82585, 165170, 643499, 1286998, 1542847, 3085694, 3217495, 6434990, 7714235, 15428470, 128056301, 256112602, 640281505, 1280563010]

約数ペア:

[(1, 1280563010), (2, 640281505), (5, 256112602), (10, 128056301), (83, 15428470), (166, 7714235), (199, 6434990), (398, 3217495), (415, 3085694), (830, 1542847), (995, 1286998), (1990, 643499), (7753, 165170), (15506, 82585), (16517, 77530), (33034, 38765)]