22781440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1$

素因数の和:843

約数の個数: 80

約数和(自身を含む): 59661360

約数和(自身を除く): 36879920

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, 512, 640, 704, 809, 880, 1280, 1408, 1618, 1760, 2560, 2816, 3236, 3520, 4045, 5632, 6472, 7040, 8090, 8899, 12944, 14080, 16180, 17798, 25888, 28160, 32360, 35596, 44495, 51776, 64720, 71192, 88990, 103552, 129440, 142384, 177980, 207104, 258880, 284768, 355960, 414208, 517760, 569536, 711920, 1035520, 1139072, 1423840, 2071040, 2278144, 2847680, 4556288, 5695360, 11390720, 22781440]

約数ペア:

[(1, 22781440), (2, 11390720), (4, 5695360), (5, 4556288), (8, 2847680), (10, 2278144), (11, 2071040), (16, 1423840), (20, 1139072), (22, 1035520), (32, 711920), (40, 569536), (44, 517760), (55, 414208), (64, 355960), (80, 284768), (88, 258880), (110, 207104), (128, 177980), (160, 142384), (176, 129440), (220, 103552), (256, 88990), (320, 71192), (352, 64720), (440, 51776), (512, 44495), (640, 35596), (704, 32360), (809, 28160), (880, 25888), (1280, 17798), (1408, 16180), (1618, 14080), (1760, 12944), (2560, 8899), (2816, 8090), (3236, 7040), (3520, 6472), (4045, 5632)]