1572129640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{389141}}^1$

素因数の和:389253

約数の個数: 32

約数和(自身を含む): 3572323560

約数和(自身を除く): 2000193920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 389141, 778282, 1556564, 1945705, 3113128, 3891410, 7782820, 15565640, 39303241, 78606482, 157212964, 196516205, 314425928, 393032410, 786064820, 1572129640]

約数ペア:

[(1, 1572129640), (2, 786064820), (4, 393032410), (5, 314425928), (8, 196516205), (10, 157212964), (20, 78606482), (40, 39303241), (101, 15565640), (202, 7782820), (404, 3891410), (505, 3113128), (808, 1945705), (1010, 1556564), (2020, 778282), (4040, 389141)]