16457980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10687}}^1$

素因数の和:10714

約数の個数: 48

約数和(自身を含む): 43094016

約数和(自身を除く): 26636036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10687, 21374, 42748, 53435, 74809, 106870, 117557, 149618, 213740, 235114, 299236, 374045, 470228, 587785, 748090, 822899, 1175570, 1496180, 1645798, 2351140, 3291596, 4114495, 8228990, 16457980]

約数ペア:

[(1, 16457980), (2, 8228990), (4, 4114495), (5, 3291596), (7, 2351140), (10, 1645798), (11, 1496180), (14, 1175570), (20, 822899), (22, 748090), (28, 587785), (35, 470228), (44, 374045), (55, 299236), (70, 235114), (77, 213740), (110, 149618), (140, 117557), (154, 106870), (220, 74809), (308, 53435), (385, 42748), (770, 21374), (1540, 10687)]