11719520

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:927

約数の個数: 48

約数和(自身を含む): 28032480

約数和(自身を除く): 16312960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 823, 890, 1424, 1646, 1780, 2848, 3292, 3560, 4115, 6584, 7120, 8230, 13168, 14240, 16460, 26336, 32920, 65840, 73247, 131680, 146494, 292988, 366235, 585976, 732470, 1171952, 1464940, 2343904, 2929880, 5859760, 11719520]

約数ペア:

[(1, 11719520), (2, 5859760), (4, 2929880), (5, 2343904), (8, 1464940), (10, 1171952), (16, 732470), (20, 585976), (32, 366235), (40, 292988), (80, 146494), (89, 131680), (160, 73247), (178, 65840), (356, 32920), (445, 26336), (712, 16460), (823, 14240), (890, 13168), (1424, 8230), (1646, 7120), (1780, 6584), (2848, 4115), (3292, 3560)]