80853850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21001}}^1$

素因数の和:21031

約数の個数: 48

約数和(自身を含む): 187505856

約数和(自身を除く): 106652006

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 21001, 42002, 105005, 147007, 210010, 231011, 294014, 462022, 525025, 735035, 1050050, 1155055, 1470070, 1617077, 2310110, 3234154, 3675175, 5775275, 7350350, 8085385, 11550550, 16170770, 40426925, 80853850]

約数ペア:

[(1, 80853850), (2, 40426925), (5, 16170770), (7, 11550550), (10, 8085385), (11, 7350350), (14, 5775275), (22, 3675175), (25, 3234154), (35, 2310110), (50, 1617077), (55, 1470070), (70, 1155055), (77, 1050050), (110, 735035), (154, 525025), (175, 462022), (275, 294014), (350, 231011), (385, 210010), (550, 147007), (770, 105005), (1925, 42002), (3850, 21001)]