55721480

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1471}}^1$

素因数の和:2429

約数の個数: 32

約数和(自身を含む): 125591040

約数和(自身を除く): 69869560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1471, 1894, 2942, 3788, 4735, 5884, 7355, 7576, 9470, 11768, 14710, 18940, 29420, 37880, 58840, 1393037, 2786074, 5572148, 6965185, 11144296, 13930370, 27860740, 55721480]

約数ペア:

[(1, 55721480), (2, 27860740), (4, 13930370), (5, 11144296), (8, 6965185), (10, 5572148), (20, 2786074), (40, 1393037), (947, 58840), (1471, 37880), (1894, 29420), (2942, 18940), (3788, 14710), (4735, 11768), (5884, 9470), (7355, 7576)]