156988125040

素因数分解:

$2^4\times 5^1\times {\mathrm{1962351563}}^1$

素因数の和:1962351576

約数の個数: 20

約数和(自身を含む): 364997390904

約数和(自身を除く): 208009265864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962351563, 3924703126, 7849406252, 9811757815, 15698812504, 19623515630, 31397625008, 39247031260, 78494062520, 156988125040]

約数ペア:

[(1, 156988125040), (2, 78494062520), (4, 39247031260), (5, 31397625008), (8, 19623515630), (10, 15698812504), (16, 9811757815), (20, 7849406252), (40, 3924703126), (80, 1962351563)]