28003040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13463}}^1$

素因数の和:13491

約数の個数: 48

約数和(自身を含む): 71251488

約数和(自身を除く): 43248448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 13463, 26926, 53852, 67315, 107704, 134630, 175019, 215408, 269260, 350038, 430816, 538520, 700076, 875095, 1077040, 1400152, 1750190, 2154080, 2800304, 3500380, 5600608, 7000760, 14001520, 28003040]

約数ペア:

[(1, 28003040), (2, 14001520), (4, 7000760), (5, 5600608), (8, 3500380), (10, 2800304), (13, 2154080), (16, 1750190), (20, 1400152), (26, 1077040), (32, 875095), (40, 700076), (52, 538520), (65, 430816), (80, 350038), (104, 269260), (130, 215408), (160, 175019), (208, 134630), (260, 107704), (416, 67315), (520, 53852), (1040, 26926), (2080, 13463)]