190625560

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{12251}}^1$

素因数の和:12651

約数の個数: 32

約数和(自身を含む): 430045200

約数和(自身を除く): 239419640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 12251, 15560, 24502, 49004, 61255, 98008, 122510, 245020, 490040, 4765639, 9531278, 19062556, 23828195, 38125112, 47656390, 95312780, 190625560]

約数ペア:

[(1, 190625560), (2, 95312780), (4, 47656390), (5, 38125112), (8, 23828195), (10, 19062556), (20, 9531278), (40, 4765639), (389, 490040), (778, 245020), (1556, 122510), (1945, 98008), (3112, 61255), (3890, 49004), (7780, 24502), (12251, 15560)]