31415745040

素因数分解:

$2^4\times 5^1\times {\mathrm{392696813}}^1$

素因数の和:392696826

約数の個数: 20

約数和(自身を含む): 73041607404

約数和(自身を除く): 41625862364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392696813, 785393626, 1570787252, 1963484065, 3141574504, 3926968130, 6283149008, 7853936260, 15707872520, 31415745040]

約数ペア:

[(1, 31415745040), (2, 15707872520), (4, 7853936260), (5, 6283149008), (8, 3926968130), (10, 3141574504), (16, 1963484065), (20, 1570787252), (40, 785393626), (80, 392696813)]