80934100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{4789}}^1$

素因数の和:4829

約数の個数: 54

約数和(自身を含む): 190215690

約数和(自身を除く): 109281590

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 1300, 1690, 3380, 4225, 4789, 8450, 9578, 16900, 19156, 23945, 47890, 62257, 95780, 119725, 124514, 239450, 249028, 311285, 478900, 622570, 809341, 1245140, 1556425, 1618682, 3112850, 3237364, 4046705, 6225700, 8093410, 16186820, 20233525, 40467050, 80934100]

約数ペア:

[(1, 80934100), (2, 40467050), (4, 20233525), (5, 16186820), (10, 8093410), (13, 6225700), (20, 4046705), (25, 3237364), (26, 3112850), (50, 1618682), (52, 1556425), (65, 1245140), (100, 809341), (130, 622570), (169, 478900), (260, 311285), (325, 249028), (338, 239450), (650, 124514), (676, 119725), (845, 95780), (1300, 62257), (1690, 47890), (3380, 23945), (4225, 19156), (4789, 16900), (8450, 9578)]