160392020

素因数分解:

$2^2\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{4513}}^1$

素因数の和:6299

約数の個数: 24

約数和(自身を含む): 337087464

約数和(自身を除く): 176695444

約数列:

[1, 2, 4, 5, 10, 20, 1777, 3554, 4513, 7108, 8885, 9026, 17770, 18052, 22565, 35540, 45130, 90260, 8019601, 16039202, 32078404, 40098005, 80196010, 160392020]

約数ペア:

[(1, 160392020), (2, 80196010), (4, 40098005), (5, 32078404), (10, 16039202), (20, 8019601), (1777, 90260), (3554, 45130), (4513, 35540), (7108, 22565), (8885, 18052), (9026, 17770)]