13127120

素因数分解:

$2^4\times 5^1\times {\mathrm{164089}}^1$

素因数の和:164102

約数の個数: 20

約数和(自身を含む): 30520740

約数和(自身を除く): 17393620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 164089, 328178, 656356, 820445, 1312712, 1640890, 2625424, 3281780, 6563560, 13127120]

約数ペア:

[(1, 13127120), (2, 6563560), (4, 3281780), (5, 2625424), (8, 1640890), (10, 1312712), (16, 820445), (20, 656356), (40, 328178), (80, 164089)]