16206640

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1171}}^1$

素因数の和:1357

約数の個数: 40

約数和(自身を含む): 37930608

約数和(自身を除く): 21723968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1171, 1384, 1730, 2342, 2768, 3460, 4684, 5855, 6920, 9368, 11710, 13840, 18736, 23420, 46840, 93680, 202583, 405166, 810332, 1012915, 1620664, 2025830, 3241328, 4051660, 8103320, 16206640]

約数ペア:

[(1, 16206640), (2, 8103320), (4, 4051660), (5, 3241328), (8, 2025830), (10, 1620664), (16, 1012915), (20, 810332), (40, 405166), (80, 202583), (173, 93680), (346, 46840), (692, 23420), (865, 18736), (1171, 13840), (1384, 11710), (1730, 9368), (2342, 6920), (2768, 5855), (3460, 4684)]