123513260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{475051}}^1$

素因数の和:475073

約数の個数: 24

約数和(自身を含む): 279330576

約数和(自身を除く): 155817316

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 475051, 950102, 1900204, 2375255, 4750510, 6175663, 9501020, 12351326, 24702652, 30878315, 61756630, 123513260]

約数ペア:

[(1, 123513260), (2, 61756630), (4, 30878315), (5, 24702652), (10, 12351326), (13, 9501020), (20, 6175663), (26, 4750510), (52, 2375255), (65, 1900204), (130, 950102), (260, 475051)]