105143840

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2557}}^1$

素因数の和:2829

約数の個数: 48

約数和(自身を含む): 249466392

約数和(自身を除く): 144322552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 2056, 2557, 2570, 4112, 5114, 5140, 8224, 10228, 10280, 12785, 20456, 20560, 25570, 40912, 41120, 51140, 81824, 102280, 204560, 409120, 657149, 1314298, 2628596, 3285745, 5257192, 6571490, 10514384, 13142980, 21028768, 26285960, 52571920, 105143840]

約数ペア:

[(1, 105143840), (2, 52571920), (4, 26285960), (5, 21028768), (8, 13142980), (10, 10514384), (16, 6571490), (20, 5257192), (32, 3285745), (40, 2628596), (80, 1314298), (160, 657149), (257, 409120), (514, 204560), (1028, 102280), (1285, 81824), (2056, 51140), (2557, 41120), (2570, 40912), (4112, 25570), (5114, 20560), (5140, 20456), (8224, 12785), (10228, 10280)]