28961560

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2753}}^1$

素因数の和:3027

約数の個数: 32

約数和(自身を含む): 65435040

約数和(自身を除く): 36473480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 2753, 5260, 5506, 10520, 11012, 13765, 22024, 27530, 55060, 110120, 724039, 1448078, 2896156, 3620195, 5792312, 7240390, 14480780, 28961560]

約数ペア:

[(1, 28961560), (2, 14480780), (4, 7240390), (5, 5792312), (8, 3620195), (10, 2896156), (20, 1448078), (40, 724039), (263, 110120), (526, 55060), (1052, 27530), (1315, 22024), (2104, 13765), (2630, 11012), (2753, 10520), (5260, 5506)]