838120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 1969920

約数和(自身を除く): 1131800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 911, 920, 1822, 3644, 4555, 7288, 9110, 18220, 20953, 36440, 41906, 83812, 104765, 167624, 209530, 419060, 838120]

約数ペア:

[(1, 838120), (2, 419060), (4, 209530), (5, 167624), (8, 104765), (10, 83812), (20, 41906), (23, 36440), (40, 20953), (46, 18220), (92, 9110), (115, 7288), (184, 4555), (230, 3644), (460, 1822), (911, 920)]