16487680

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1$

素因数の和:1203

約数の個数: 72

約数和(自身を含む): 43120224

約数和(自身を除く): 26632544

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, 880, 1171, 1280, 1408, 1760, 2342, 2816, 3520, 4684, 5855, 7040, 9368, 11710, 12881, 14080, 18736, 23420, 25762, 37472, 46840, 51524, 64405, 74944, 93680, 103048, 128810, 149888, 187360, 206096, 257620, 299776, 374720, 412192, 515240, 749440, 824384, 1030480, 1498880, 1648768, 2060960, 3297536, 4121920, 8243840, 16487680]

約数ペア:

[(1, 16487680), (2, 8243840), (4, 4121920), (5, 3297536), (8, 2060960), (10, 1648768), (11, 1498880), (16, 1030480), (20, 824384), (22, 749440), (32, 515240), (40, 412192), (44, 374720), (55, 299776), (64, 257620), (80, 206096), (88, 187360), (110, 149888), (128, 128810), (160, 103048), (176, 93680), (220, 74944), (256, 64405), (320, 51524), (352, 46840), (440, 37472), (640, 25762), (704, 23420), (880, 18736), (1171, 14080), (1280, 12881), (1408, 11710), (1760, 9368), (2342, 7040), (2816, 5855), (3520, 4684)]