28620560

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1031}}^1$

素因数の和:1391

約数の個数: 40

約数和(自身を含む): 66799296

約数和(自身を除く): 38178736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1031, 1388, 1735, 2062, 2776, 3470, 4124, 5155, 5552, 6940, 8248, 10310, 13880, 16496, 20620, 27760, 41240, 82480, 357757, 715514, 1431028, 1788785, 2862056, 3577570, 5724112, 7155140, 14310280, 28620560]

約数ペア:

[(1, 28620560), (2, 14310280), (4, 7155140), (5, 5724112), (8, 3577570), (10, 2862056), (16, 1788785), (20, 1431028), (40, 715514), (80, 357757), (347, 82480), (694, 41240), (1031, 27760), (1388, 20620), (1735, 16496), (2062, 13880), (2776, 10310), (3470, 8248), (4124, 6940), (5155, 5552)]