123500120

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{11393}}^1$

素因数の和:11675

約数の個数: 32

約数和(自身を含む): 278925120

約数和(自身を除く): 155425000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 11393, 22786, 45572, 56965, 91144, 113930, 227860, 455720, 3087503, 6175006, 12350012, 15437515, 24700024, 30875030, 61750060, 123500120]

約数ペア:

[(1, 123500120), (2, 61750060), (4, 30875030), (5, 24700024), (8, 15437515), (10, 12350012), (20, 6175006), (40, 3087503), (271, 455720), (542, 227860), (1084, 113930), (1355, 91144), (2168, 56965), (2710, 45572), (5420, 22786), (10840, 11393)]