8669540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 20067264

約数和(自身を除く): 11397724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 251, 314, 502, 628, 785, 1004, 1255, 1570, 1727, 2510, 2761, 3140, 3454, 5020, 5522, 6908, 8635, 11044, 13805, 17270, 27610, 34540, 39407, 55220, 78814, 157628, 197035, 394070, 433477, 788140, 866954, 1733908, 2167385, 4334770, 8669540]

約数ペア:

[(1, 8669540), (2, 4334770), (4, 2167385), (5, 1733908), (10, 866954), (11, 788140), (20, 433477), (22, 394070), (44, 197035), (55, 157628), (110, 78814), (157, 55220), (220, 39407), (251, 34540), (314, 27610), (502, 17270), (628, 13805), (785, 11044), (1004, 8635), (1255, 6908), (1570, 5522), (1727, 5020), (2510, 3454), (2761, 3140)]