28945780

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5503}}^1$

素因数の和:5775

約数の個数: 24

約数和(自身を含む): 61028352

約数和(自身を除く): 32082572

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 5503, 11006, 22012, 27515, 55030, 110060, 1447289, 2894578, 5789156, 7236445, 14472890, 28945780]

約数ペア:

[(1, 28945780), (2, 14472890), (4, 7236445), (5, 5789156), (10, 2894578), (20, 1447289), (263, 110060), (526, 55030), (1052, 27515), (1315, 22012), (2630, 11006), (5260, 5503)]