22087760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 55242000

約数和(自身を除く): 33154240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 149, 170, 218, 272, 298, 340, 436, 545, 596, 680, 745, 872, 1090, 1192, 1360, 1490, 1744, 1853, 2180, 2384, 2533, 2980, 3706, 4360, 5066, 5960, 7412, 8720, 9265, 10132, 11920, 12665, 14824, 16241, 18530, 20264, 25330, 29648, 32482, 37060, 40528, 50660, 64964, 74120, 81205, 101320, 129928, 148240, 162410, 202640, 259856, 276097, 324820, 552194, 649640, 1104388, 1299280, 1380485, 2208776, 2760970, 4417552, 5521940, 11043880, 22087760]

約数ペア:

[(1, 22087760), (2, 11043880), (4, 5521940), (5, 4417552), (8, 2760970), (10, 2208776), (16, 1380485), (17, 1299280), (20, 1104388), (34, 649640), (40, 552194), (68, 324820), (80, 276097), (85, 259856), (109, 202640), (136, 162410), (149, 148240), (170, 129928), (218, 101320), (272, 81205), (298, 74120), (340, 64964), (436, 50660), (545, 40528), (596, 37060), (680, 32482), (745, 29648), (872, 25330), (1090, 20264), (1192, 18530), (1360, 16241), (1490, 14824), (1744, 12665), (1853, 11920), (2180, 10132), (2384, 9265), (2533, 8720), (2980, 7412), (3706, 5960), (4360, 5066)]