2912388520

素因数分解:

$2^3\times 5^1\times {\mathrm{72809713}}^1$

素因数の和:72809724

約数の個数: 16

約数和(自身を含む): 6552874260

約数和(自身を除く): 3640485740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72809713, 145619426, 291238852, 364048565, 582477704, 728097130, 1456194260, 2912388520]

約数ペア:

[(1, 2912388520), (2, 1456194260), (4, 728097130), (5, 582477704), (8, 364048565), (10, 291238852), (20, 145619426), (40, 72809713)]