215020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 486864

約数和(自身を除く): 271844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 827, 1654, 3308, 4135, 8270, 10751, 16540, 21502, 43004, 53755, 107510, 215020]

約数ペア:

[(1, 215020), (2, 107510), (4, 53755), (5, 43004), (10, 21502), (13, 16540), (20, 10751), (26, 8270), (52, 4135), (65, 3308), (130, 1654), (260, 827)]