8669860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 19015920

約数和(自身を除く): 10346060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 109, 164, 194, 205, 218, 388, 410, 436, 485, 545, 820, 970, 1090, 1940, 2180, 3977, 4469, 7954, 8938, 10573, 15908, 17876, 19885, 21146, 22345, 39770, 42292, 44690, 52865, 79540, 89380, 105730, 211460, 433493, 866986, 1733972, 2167465, 4334930, 8669860]

約数ペア:

[(1, 8669860), (2, 4334930), (4, 2167465), (5, 1733972), (10, 866986), (20, 433493), (41, 211460), (82, 105730), (97, 89380), (109, 79540), (164, 52865), (194, 44690), (205, 42292), (218, 39770), (388, 22345), (410, 21146), (436, 19885), (485, 17876), (545, 15908), (820, 10573), (970, 8938), (1090, 7954), (1940, 4469), (2180, 3977)]