2685222020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{251897}}^1$

素因数の和:251960

約数の個数: 48

約数和(自身を含む): 6220873008

約数和(自身を除く): 3535650988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 251897, 503794, 1007588, 1259485, 2518970, 3274661, 5037940, 6549322, 10327777, 13098644, 16373305, 20655554, 32746610, 41311108, 51638885, 65493220, 103277770, 134261101, 206555540, 268522202, 537044404, 671305505, 1342611010, 2685222020]

約数ペア:

[(1, 2685222020), (2, 1342611010), (4, 671305505), (5, 537044404), (10, 268522202), (13, 206555540), (20, 134261101), (26, 103277770), (41, 65493220), (52, 51638885), (65, 41311108), (82, 32746610), (130, 20655554), (164, 16373305), (205, 13098644), (260, 10327777), (410, 6549322), (533, 5037940), (820, 3274661), (1066, 2518970), (2132, 1259485), (2665, 1007588), (5330, 503794), (10660, 251897)]