3988896680

素因数分解:

$2^3\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{70079}}^1$

素因数の和:71513

約数の個数: 32

約数和(自身を含む): 8981452800

約数和(自身を除く): 4992556120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1423, 2846, 5692, 7115, 11384, 14230, 28460, 56920, 70079, 140158, 280316, 350395, 560632, 700790, 1401580, 2803160, 99722417, 199444834, 398889668, 498612085, 797779336, 997224170, 1994448340, 3988896680]

約数ペア:

[(1, 3988896680), (2, 1994448340), (4, 997224170), (5, 797779336), (8, 498612085), (10, 398889668), (20, 199444834), (40, 99722417), (1423, 2803160), (2846, 1401580), (5692, 700790), (7115, 560632), (11384, 350395), (14230, 280316), (28460, 140158), (56920, 70079)]