80501471990

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{40453001}}^1$

素因数の和:40453207

約数の個数: 16

約数和(自身を含む): 145630807200

約数和(自身を除く): 65129335210

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 40453001, 80906002, 202265005, 404530010, 8050147199, 16100294398, 40250735995, 80501471990]

約数ペア:

[(1, 80501471990), (2, 40250735995), (5, 16100294398), (10, 8050147199), (199, 404530010), (398, 202265005), (995, 80906002), (1990, 40453001)]