169816880

素因数分解:

$2^4\times 5^1\times {\mathrm{2122711}}^1$

素因数の和:2122724

約数の個数: 20

約数和(自身を含む): 394824432

約数和(自身を除く): 225007552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2122711, 4245422, 8490844, 10613555, 16981688, 21227110, 33963376, 42454220, 84908440, 169816880]

約数ペア:

[(1, 169816880), (2, 84908440), (4, 42454220), (5, 33963376), (8, 21227110), (10, 16981688), (16, 10613555), (20, 8490844), (40, 4245422), (80, 2122711)]