25569820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67289}}^1$

素因数の和:67317

約数の個数: 24

約数和(自身を含む): 56523600

約数和(自身を除く): 30953780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 67289, 134578, 269156, 336445, 672890, 1278491, 1345780, 2556982, 5113964, 6392455, 12784910, 25569820]

約数ペア:

[(1, 25569820), (2, 12784910), (4, 6392455), (5, 5113964), (10, 2556982), (19, 1345780), (20, 1278491), (38, 672890), (76, 336445), (95, 269156), (190, 134578), (380, 67289)]