12925040

素因数分解:

$2^4\times 5^1\times {\mathrm{161563}}^1$

素因数の和:161576

約数の個数: 20

約数和(自身を含む): 30050904

約数和(自身を除く): 17125864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 161563, 323126, 646252, 807815, 1292504, 1615630, 2585008, 3231260, 6462520, 12925040]

約数ペア:

[(1, 12925040), (2, 6462520), (4, 3231260), (5, 2585008), (8, 1615630), (10, 1292504), (16, 807815), (20, 646252), (40, 323126), (80, 161563)]