127835440

素因数分解:

$2^4\times 5^1\times {\mathrm{1597943}}^1$

素因数の和:1597956

約数の個数: 20

約数和(自身を含む): 297217584

約数和(自身を除く): 169382144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1597943, 3195886, 6391772, 7989715, 12783544, 15979430, 25567088, 31958860, 63917720, 127835440]

約数ペア:

[(1, 127835440), (2, 63917720), (4, 31958860), (5, 25567088), (8, 15979430), (10, 12783544), (16, 7989715), (20, 6391772), (40, 3195886), (80, 1597943)]