11390720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 29801520

約数和(自身を除く): 18410800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 809, 880, 1280, 1408, 1618, 1760, 2816, 3236, 3520, 4045, 6472, 7040, 8090, 8899, 12944, 14080, 16180, 17798, 25888, 32360, 35596, 44495, 51776, 64720, 71192, 88990, 103552, 129440, 142384, 177980, 207104, 258880, 284768, 355960, 517760, 569536, 711920, 1035520, 1139072, 1423840, 2278144, 2847680, 5695360, 11390720]

約数ペア:

[(1, 11390720), (2, 5695360), (4, 2847680), (5, 2278144), (8, 1423840), (10, 1139072), (11, 1035520), (16, 711920), (20, 569536), (22, 517760), (32, 355960), (40, 284768), (44, 258880), (55, 207104), (64, 177980), (80, 142384), (88, 129440), (110, 103552), (128, 88990), (160, 71192), (176, 64720), (220, 51776), (256, 44495), (320, 35596), (352, 32360), (440, 25888), (640, 17798), (704, 16180), (809, 14080), (880, 12944), (1280, 8899), (1408, 8090), (1618, 7040), (1760, 6472), (2816, 4045), (3236, 3520)]