16486579220

素因数分解:

$2^2\times 5^1\times {\mathrm{40127}}^1\times {\mathrm{20543}}^1$

素因数の和:60679

約数の個数: 24

約数和(自身を含む): 34624364544

約数和(自身を除く): 18137785324

約数列:

[1, 2, 4, 5, 10, 20, 20543, 40127, 41086, 80254, 82172, 102715, 160508, 200635, 205430, 401270, 410860, 802540, 824328961, 1648657922, 3297315844, 4121644805, 8243289610, 16486579220]

約数ペア:

[(1, 16486579220), (2, 8243289610), (4, 4121644805), (5, 3297315844), (10, 1648657922), (20, 824328961), (20543, 802540), (40127, 410860), (41086, 401270), (80254, 205430), (82172, 200635), (102715, 160508)]