8409031240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2041027}}^1$

素因数の和:2041141

約数の個数: 32

約数和(自身を含む): 19104022080

約数和(自身を除く): 10694990840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 2041027, 4082054, 8164108, 10205135, 16328216, 20410270, 40820540, 81641080, 210225781, 420451562, 840903124, 1051128905, 1681806248, 2102257810, 4204515620, 8409031240]

約数ペア:

[(1, 8409031240), (2, 4204515620), (4, 2102257810), (5, 1681806248), (8, 1051128905), (10, 840903124), (20, 420451562), (40, 210225781), (103, 81641080), (206, 40820540), (412, 20410270), (515, 16328216), (824, 10205135), (1030, 8164108), (2060, 4082054), (4120, 2041027)]