28414660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 62770176

約数和(自身を除く): 34355516

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 223, 230, 277, 446, 460, 554, 892, 1108, 1115, 1385, 2230, 2770, 4460, 5129, 5540, 6371, 10258, 12742, 20516, 25484, 25645, 31855, 51290, 61771, 63710, 102580, 123542, 127420, 247084, 308855, 617710, 1235420, 1420733, 2841466, 5682932, 7103665, 14207330, 28414660]

約数ペア:

[(1, 28414660), (2, 14207330), (4, 7103665), (5, 5682932), (10, 2841466), (20, 1420733), (23, 1235420), (46, 617710), (92, 308855), (115, 247084), (223, 127420), (230, 123542), (277, 102580), (446, 63710), (460, 61771), (554, 51290), (892, 31855), (1108, 25645), (1115, 25484), (1385, 20516), (2230, 12742), (2770, 10258), (4460, 6371), (5129, 5540)]