31644280

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{4099}}^1$

素因数の和:4303

約数の個数: 32

約数和(自身を含む): 71586000

約数和(自身を除く): 39941720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 4099, 7720, 8198, 16396, 20495, 32792, 40990, 81980, 163960, 791107, 1582214, 3164428, 3955535, 6328856, 7911070, 15822140, 31644280]

約数ペア:

[(1, 31644280), (2, 15822140), (4, 7911070), (5, 6328856), (8, 3955535), (10, 3164428), (20, 1582214), (40, 791107), (193, 163960), (386, 81980), (772, 40990), (965, 32792), (1544, 20495), (1930, 16396), (3860, 8198), (4099, 7720)]