16284280

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{967}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 36764640

約数和(自身を除く): 20480360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 967, 1684, 1934, 2105, 3368, 3868, 4210, 4835, 7736, 8420, 9670, 16840, 19340, 38680, 407107, 814214, 1628428, 2035535, 3256856, 4071070, 8142140, 16284280]

約数ペア:

[(1, 16284280), (2, 8142140), (4, 4071070), (5, 3256856), (8, 2035535), (10, 1628428), (20, 814214), (40, 407107), (421, 38680), (842, 19340), (967, 16840), (1684, 9670), (1934, 8420), (2105, 7736), (3368, 4835), (3868, 4210)]