51217540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12253}}^1$

素因数の和:12292

約数の個数: 48

約数和(自身を含む): 123520320

約数和(自身を除く): 72302780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 12253, 24506, 49012, 61265, 122530, 134783, 232807, 245060, 269566, 465614, 539132, 673915, 931228, 1164035, 1347830, 2328070, 2560877, 2695660, 4656140, 5121754, 10243508, 12804385, 25608770, 51217540]

約数ペア:

[(1, 51217540), (2, 25608770), (4, 12804385), (5, 10243508), (10, 5121754), (11, 4656140), (19, 2695660), (20, 2560877), (22, 2328070), (38, 1347830), (44, 1164035), (55, 931228), (76, 673915), (95, 539132), (110, 465614), (190, 269566), (209, 245060), (220, 232807), (380, 134783), (418, 122530), (836, 61265), (1045, 49012), (2090, 24506), (4180, 12253)]