78663220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{171007}}^1$

素因数の和:171039

約数の個数: 24

約数和(自身を含む): 172376064

約数和(自身を除く): 93712844

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 171007, 342014, 684028, 855035, 1710070, 3420140, 3933161, 7866322, 15732644, 19665805, 39331610, 78663220]

約数ペア:

[(1, 78663220), (2, 39331610), (4, 19665805), (5, 15732644), (10, 7866322), (20, 3933161), (23, 3420140), (46, 1710070), (92, 855035), (115, 684028), (230, 342014), (460, 171007)]