71698840

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2953}}^1$

素因数の和:3571

約数の個数: 32

約数和(自身を含む): 161642880

約数和(自身を除く): 89944040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 2953, 3035, 4856, 5906, 6070, 11812, 12140, 14765, 23624, 24280, 29530, 59060, 118120, 1792471, 3584942, 7169884, 8962355, 14339768, 17924710, 35849420, 71698840]

約数ペア:

[(1, 71698840), (2, 35849420), (4, 17924710), (5, 14339768), (8, 8962355), (10, 7169884), (20, 3584942), (40, 1792471), (607, 118120), (1214, 59060), (2428, 29530), (2953, 24280), (3035, 23624), (4856, 14765), (5906, 12140), (6070, 11812)]