25285580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66541}}^1$

素因数の和:66569

約数の個数: 24

約数和(自身を含む): 55895280

約数和(自身を除く): 30609700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 66541, 133082, 266164, 332705, 665410, 1264279, 1330820, 2528558, 5057116, 6321395, 12642790, 25285580]

約数ペア:

[(1, 25285580), (2, 12642790), (4, 6321395), (5, 5057116), (10, 2528558), (19, 1330820), (20, 1264279), (38, 665410), (76, 332705), (95, 266164), (190, 133082), (380, 66541)]