25608220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2707}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 60052608

約数和(自身を除く): 34444388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 2707, 4730, 5414, 9460, 10828, 13535, 27070, 29777, 54140, 59554, 116401, 119108, 148885, 232802, 297770, 465604, 582005, 595540, 1164010, 1280411, 2328020, 2560822, 5121644, 6402055, 12804110, 25608220]

約数ペア:

[(1, 25608220), (2, 12804110), (4, 6402055), (5, 5121644), (10, 2560822), (11, 2328020), (20, 1280411), (22, 1164010), (43, 595540), (44, 582005), (55, 465604), (86, 297770), (110, 232802), (172, 148885), (215, 119108), (220, 116401), (430, 59554), (473, 54140), (860, 29777), (946, 27070), (1892, 13535), (2365, 10828), (2707, 9460), (4730, 5414)]