179584780

素因数分解:

$2^2\times 5^1\times {\mathrm{2251}}^1\times {\mathrm{3989}}^1$

素因数の和:6249

約数の個数: 24

約数和(自身を含む): 377390160

約数和(自身を除く): 197805380

約数列:

[1, 2, 4, 5, 10, 20, 2251, 3989, 4502, 7978, 9004, 11255, 15956, 19945, 22510, 39890, 45020, 79780, 8979239, 17958478, 35916956, 44896195, 89792390, 179584780]

約数ペア:

[(1, 179584780), (2, 89792390), (4, 44896195), (5, 35916956), (10, 17958478), (20, 8979239), (2251, 79780), (3989, 45020), (4502, 39890), (7978, 22510), (9004, 19945), (11255, 15956)]