6405020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 14097888

約数和(自身を除く): 7692868

約数列:

[1, 2, 4, 5, 10, 20, 41, 73, 82, 107, 146, 164, 205, 214, 292, 365, 410, 428, 535, 730, 820, 1070, 1460, 2140, 2993, 4387, 5986, 7811, 8774, 11972, 14965, 15622, 17548, 21935, 29930, 31244, 39055, 43870, 59860, 78110, 87740, 156220, 320251, 640502, 1281004, 1601255, 3202510, 6405020]

約数ペア:

[(1, 6405020), (2, 3202510), (4, 1601255), (5, 1281004), (10, 640502), (20, 320251), (41, 156220), (73, 87740), (82, 78110), (107, 59860), (146, 43870), (164, 39055), (205, 31244), (214, 29930), (292, 21935), (365, 17548), (410, 15622), (428, 14965), (535, 11972), (730, 8774), (820, 7811), (1070, 5986), (1460, 4387), (2140, 2993)]